81403413

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{22937}}^1$

素因数の和:22973

約数の個数: 24

約数和(自身を含む): 134324928

約数和(自身を除く): 52921515

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 22937, 68811, 160559, 298181, 481677, 894543, 2087267, 3876353, 6261801, 11629059, 27134471, 81403413]

約数ペア:

[(1, 81403413), (3, 27134471), (7, 11629059), (13, 6261801), (21, 3876353), (39, 2087267), (91, 894543), (169, 481677), (273, 298181), (507, 160559), (1183, 68811), (3549, 22937)]