1668346875

素因数分解:

$3^5\times 5^5\times {\mathrm{13}}^3$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 3383845920

約数和(自身を除く): 1715499045

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 125, 135, 169, 195, 225, 243, 325, 351, 375, 405, 507, 585, 625, 675, 845, 975, 1053, 1125, 1215, 1521, 1625, 1755, 1875, 2025, 2197, 2535, 2925, 3125, 3159, 3375, 4225, 4563, 4875, 5265, 5625, 6075, 6591, 7605, 8125, 8775, 9375, 10125, 10985, 12675, 13689, 14625, 15795, 16875, 19773, 21125, 22815, 24375, 26325, 28125, 30375, 32955, 38025, 40625, 41067, 43875, 50625, 54925, 59319, 63375, 68445, 73125, 78975, 84375, 98865, 105625, 114075, 121875, 131625, 151875, 164775, 177957, 190125, 205335, 219375, 253125, 274625, 296595, 316875, 342225, 365625, 394875, 494325, 528125, 533871, 570375, 658125, 759375, 823875, 889785, 950625, 1026675, 1096875, 1373125, 1482975, 1584375, 1711125, 1974375, 2471625, 2669355, 2851875, 3290625, 4119375, 4448925, 4753125, 5133375, 6865625, 7414875, 8555625, 9871875, 12358125, 13346775, 14259375, 20596875, 22244625, 25666875, 37074375, 42778125, 61790625, 66733875, 111223125, 128334375, 185371875, 333669375, 556115625, 1668346875]

約数ペア:

[(1, 1668346875), (3, 556115625), (5, 333669375), (9, 185371875), (13, 128334375), (15, 111223125), (25, 66733875), (27, 61790625), (39, 42778125), (45, 37074375), (65, 25666875), (75, 22244625), (81, 20596875), (117, 14259375), (125, 13346775), (135, 12358125), (169, 9871875), (195, 8555625), (225, 7414875), (243, 6865625), (325, 5133375), (351, 4753125), (375, 4448925), (405, 4119375), (507, 3290625), (585, 2851875), (625, 2669355), (675, 2471625), (845, 1974375), (975, 1711125), (1053, 1584375), (1125, 1482975), (1215, 1373125), (1521, 1096875), (1625, 1026675), (1755, 950625), (1875, 889785), (2025, 823875), (2197, 759375), (2535, 658125), (2925, 570375), (3125, 533871), (3159, 528125), (3375, 494325), (4225, 394875), (4563, 365625), (4875, 342225), (5265, 316875), (5625, 296595), (6075, 274625), (6591, 253125), (7605, 219375), (8125, 205335), (8775, 190125), (9375, 177957), (10125, 164775), (10985, 151875), (12675, 131625), (13689, 121875), (14625, 114075), (15795, 105625), (16875, 98865), (19773, 84375), (21125, 78975), (22815, 73125), (24375, 68445), (26325, 63375), (28125, 59319), (30375, 54925), (32955, 50625), (38025, 43875), (40625, 41067)]