72991425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1741}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 133060928

約数和(自身を除く): 60069503

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 645, 975, 1075, 1677, 1741, 2795, 3225, 5223, 8385, 8705, 13975, 22633, 26115, 41925, 43525, 67899, 74863, 113165, 130575, 224589, 339495, 374315, 565825, 973219, 1122945, 1697475, 1871575, 2919657, 4866095, 5614725, 14598285, 24330475, 72991425]

約数ペア:

[(1, 72991425), (3, 24330475), (5, 14598285), (13, 5614725), (15, 4866095), (25, 2919657), (39, 1871575), (43, 1697475), (65, 1122945), (75, 973219), (129, 565825), (195, 374315), (215, 339495), (325, 224589), (559, 130575), (645, 113165), (975, 74863), (1075, 67899), (1677, 43525), (1741, 41925), (2795, 26115), (3225, 22633), (5223, 13975), (8385, 8705)]