39121875

素因数分解:

$3^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 76776336

約数和(自身を除く): 37654461

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 107, 117, 125, 195, 225, 321, 325, 375, 535, 585, 625, 963, 975, 1125, 1391, 1605, 1625, 1875, 2675, 2925, 3125, 4173, 4815, 4875, 5625, 6955, 8025, 8125, 9375, 12519, 13375, 14625, 20865, 24075, 24375, 28125, 34775, 40125, 40625, 62595, 66875, 73125, 104325, 120375, 121875, 173875, 200625, 312975, 334375, 365625, 521625, 601875, 869375, 1003125, 1564875, 2608125, 3009375, 4346875, 7824375, 13040625, 39121875]

約数ペア:

[(1, 39121875), (3, 13040625), (5, 7824375), (9, 4346875), (13, 3009375), (15, 2608125), (25, 1564875), (39, 1003125), (45, 869375), (65, 601875), (75, 521625), (107, 365625), (117, 334375), (125, 312975), (195, 200625), (225, 173875), (321, 121875), (325, 120375), (375, 104325), (535, 73125), (585, 66875), (625, 62595), (963, 40625), (975, 40125), (1125, 34775), (1391, 28125), (1605, 24375), (1625, 24075), (1875, 20865), (2675, 14625), (2925, 13375), (3125, 12519), (4173, 9375), (4815, 8125), (4875, 8025), (5625, 6955)]