25228125

素因数分解:

$3^3\times 5^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 96

約数和(自身を含む): 52496640

約数和(自身を除く): 27268515

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 27, 39, 45, 65, 69, 75, 115, 117, 125, 135, 195, 207, 225, 299, 325, 345, 351, 375, 575, 585, 621, 625, 675, 897, 975, 1035, 1125, 1495, 1625, 1725, 1755, 1875, 2691, 2875, 2925, 3105, 3125, 3375, 4485, 4875, 5175, 5625, 7475, 8073, 8125, 8625, 8775, 9375, 13455, 14375, 14625, 15525, 16875, 22425, 24375, 25875, 28125, 37375, 40365, 40625, 43125, 43875, 67275, 71875, 73125, 77625, 84375, 112125, 121875, 129375, 186875, 201825, 215625, 219375, 336375, 365625, 388125, 560625, 646875, 934375, 1009125, 1096875, 1681875, 1940625, 2803125, 5045625, 8409375, 25228125]

約数ペア:

[(1, 25228125), (3, 8409375), (5, 5045625), (9, 2803125), (13, 1940625), (15, 1681875), (23, 1096875), (25, 1009125), (27, 934375), (39, 646875), (45, 560625), (65, 388125), (69, 365625), (75, 336375), (115, 219375), (117, 215625), (125, 201825), (135, 186875), (195, 129375), (207, 121875), (225, 112125), (299, 84375), (325, 77625), (345, 73125), (351, 71875), (375, 67275), (575, 43875), (585, 43125), (621, 40625), (625, 40365), (675, 37375), (897, 28125), (975, 25875), (1035, 24375), (1125, 22425), (1495, 16875), (1625, 15525), (1725, 14625), (1755, 14375), (1875, 13455), (2691, 9375), (2875, 8775), (2925, 8625), (3105, 8125), (3125, 8073), (3375, 7475), (4485, 5625), (4875, 5175)]