13251875

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 20468448

約数和(自身を除く): 7216573

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 233, 325, 455, 625, 875, 1165, 1625, 1631, 2275, 3029, 4375, 5825, 8125, 8155, 11375, 15145, 21203, 29125, 40775, 56875, 75725, 106015, 145625, 203875, 378625, 530075, 1019375, 1893125, 2650375, 13251875]

約数ペア:

[(1, 13251875), (5, 2650375), (7, 1893125), (13, 1019375), (25, 530075), (35, 378625), (65, 203875), (91, 145625), (125, 106015), (175, 75725), (233, 56875), (325, 40775), (455, 29125), (625, 21203), (875, 15145), (1165, 11375), (1625, 8155), (1631, 8125), (2275, 5825), (3029, 4375)]