999375

素因数分解:

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

素因数の和:77

約数の個数: 40

約数和(自身を含む): 1836912

約数和(自身を除く): 837537

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 125, 195, 205, 325, 375, 533, 615, 625, 975, 1025, 1599, 1625, 1875, 2665, 3075, 4875, 5125, 7995, 8125, 13325, 15375, 24375, 25625, 39975, 66625, 76875, 199875, 333125, 999375]

約数ペア:

[(1, 999375), (3, 333125), (5, 199875), (13, 76875), (15, 66625), (25, 39975), (39, 25625), (41, 24375), (65, 15375), (75, 13325), (123, 8125), (125, 7995), (195, 5125), (205, 4875), (325, 3075), (375, 2665), (533, 1875), (615, 1625), (625, 1599), (975, 1025)]