71296875

素因数分解:

$3^3\times 5^6\times {\mathrm{13}}^2$

素因数の和:65

約数の個数: 84

約数和(自身を含む): 142966920

約数和(自身を除く): 71670045

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 169, 195, 225, 325, 351, 375, 507, 585, 625, 675, 845, 975, 1125, 1521, 1625, 1755, 1875, 2535, 2925, 3125, 3375, 4225, 4563, 4875, 5625, 7605, 8125, 8775, 9375, 12675, 14625, 15625, 16875, 21125, 22815, 24375, 28125, 38025, 40625, 43875, 46875, 63375, 73125, 84375, 105625, 114075, 121875, 140625, 190125, 203125, 219375, 316875, 365625, 421875, 528125, 570375, 609375, 950625, 1096875, 1584375, 1828125, 2640625, 2851875, 4753125, 5484375, 7921875, 14259375, 23765625, 71296875]

約数ペア:

[(1, 71296875), (3, 23765625), (5, 14259375), (9, 7921875), (13, 5484375), (15, 4753125), (25, 2851875), (27, 2640625), (39, 1828125), (45, 1584375), (65, 1096875), (75, 950625), (117, 609375), (125, 570375), (135, 528125), (169, 421875), (195, 365625), (225, 316875), (325, 219375), (351, 203125), (375, 190125), (507, 140625), (585, 121875), (625, 114075), (675, 105625), (845, 84375), (975, 73125), (1125, 63375), (1521, 46875), (1625, 43875), (1755, 40625), (1875, 38025), (2535, 28125), (2925, 24375), (3125, 22815), (3375, 21125), (4225, 16875), (4563, 15625), (4875, 14625), (5625, 12675), (7605, 9375), (8125, 8775)]