68407521

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3019}}^1$

素因数の和:3125

約数の個数: 32

約数和(自身を含む): 113648640

約数和(自身を除く): 45241119

約数列:

[1, 3, 7, 13, 21, 39, 83, 91, 249, 273, 581, 1079, 1743, 3019, 3237, 7553, 9057, 21133, 22659, 39247, 63399, 117741, 250577, 274729, 751731, 824187, 1754039, 3257501, 5262117, 9772503, 22802507, 68407521]

約数ペア:

[(1, 68407521), (3, 22802507), (7, 9772503), (13, 5262117), (21, 3257501), (39, 1754039), (83, 824187), (91, 751731), (249, 274729), (273, 250577), (581, 117741), (1079, 63399), (1743, 39247), (3019, 22659), (3237, 21133), (7553, 9057)]