18793125

素因数分解:

$3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 60

約数和(自身を含む): 36672636

約数和(自身を除く): 17879511

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 257, 325, 375, 585, 625, 771, 975, 1125, 1285, 1625, 1875, 2313, 2925, 3341, 3855, 4875, 5625, 6425, 8125, 10023, 11565, 14625, 16705, 19275, 24375, 30069, 32125, 50115, 57825, 73125, 83525, 96375, 150345, 160625, 250575, 289125, 417625, 481875, 751725, 1252875, 1445625, 2088125, 3758625, 6264375, 18793125]

約数ペア:

[(1, 18793125), (3, 6264375), (5, 3758625), (9, 2088125), (13, 1445625), (15, 1252875), (25, 751725), (39, 481875), (45, 417625), (65, 289125), (75, 250575), (117, 160625), (125, 150345), (195, 96375), (225, 83525), (257, 73125), (325, 57825), (375, 50115), (585, 32125), (625, 30069), (771, 24375), (975, 19275), (1125, 16705), (1285, 14625), (1625, 11565), (1875, 10023), (2313, 8125), (2925, 6425), (3341, 5625), (3855, 4875)]