30444375

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1285

約数の個数: 40

約数和(自身を含む): 54670000

約数和(自身を除く): 24225625

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 625, 975, 1249, 1625, 1875, 3747, 4875, 6245, 8125, 16237, 18735, 24375, 31225, 48711, 81185, 93675, 156125, 243555, 405925, 468375, 780625, 1217775, 2029625, 2341875, 6088875, 10148125, 30444375]

約数ペア:

[(1, 30444375), (3, 10148125), (5, 6088875), (13, 2341875), (15, 2029625), (25, 1217775), (39, 780625), (65, 468375), (75, 405925), (125, 243555), (195, 156125), (325, 93675), (375, 81185), (625, 48711), (975, 31225), (1249, 24375), (1625, 18735), (1875, 16237), (3747, 8125), (4875, 6245)]