2157129

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 3407040

約数和(自身を除く): 1249911

約数列:

[1, 3, 9, 13, 39, 103, 117, 179, 309, 537, 927, 1339, 1611, 2327, 4017, 6981, 12051, 18437, 20943, 55311, 165933, 239681, 719043, 2157129]

約数ペア:

[(1, 2157129), (3, 719043), (9, 239681), (13, 165933), (39, 55311), (103, 20943), (117, 18437), (179, 12051), (309, 6981), (537, 4017), (927, 2327), (1339, 1611)]