2688225

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 4514592

約数和(自身を除く): 1826367

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 491, 1095, 1473, 1825, 2455, 5475, 7365, 12275, 35843, 36825, 107529, 179215, 537645, 896075, 2688225]

約数ペア:

[(1, 2688225), (3, 896075), (5, 537645), (15, 179215), (25, 107529), (73, 36825), (75, 35843), (219, 12275), (365, 7365), (491, 5475), (1095, 2455), (1473, 1825)]