12748815

素因数分解:

$3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{577}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 22181328

約数和(自身を除く): 9432513

約数列:

[1, 3, 5, 9, 15, 45, 491, 577, 1473, 1731, 2455, 2885, 4419, 5193, 7365, 8655, 22095, 25965, 283307, 849921, 1416535, 2549763, 4249605, 12748815]

約数ペア:

[(1, 12748815), (3, 4249605), (5, 2549763), (9, 1416535), (15, 849921), (45, 283307), (491, 25965), (577, 22095), (1473, 8655), (1731, 7365), (2455, 5193), (2885, 4419)]