2998125

素因数分解:

$3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 60

約数和(自身を含む): 5969964

約数和(自身を除く): 2971839

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 41, 45, 65, 75, 117, 123, 125, 195, 205, 225, 325, 369, 375, 533, 585, 615, 625, 975, 1025, 1125, 1599, 1625, 1845, 1875, 2665, 2925, 3075, 4797, 4875, 5125, 5625, 7995, 8125, 9225, 13325, 14625, 15375, 23985, 24375, 25625, 39975, 46125, 66625, 73125, 76875, 119925, 199875, 230625, 333125, 599625, 999375, 2998125]

約数ペア:

[(1, 2998125), (3, 999375), (5, 599625), (9, 333125), (13, 230625), (15, 199875), (25, 119925), (39, 76875), (41, 73125), (45, 66625), (65, 46125), (75, 39975), (117, 25625), (123, 24375), (125, 23985), (195, 15375), (205, 14625), (225, 13325), (325, 9225), (369, 8125), (375, 7995), (533, 5625), (585, 5125), (615, 4875), (625, 4797), (975, 3075), (1025, 2925), (1125, 2665), (1599, 1875), (1625, 1845)]