331338609

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 556716160

約数和(自身を除く): 225377551

約数列:

[1, 3, 7, 9, 21, 63, 139, 157, 241, 417, 471, 723, 973, 1099, 1251, 1413, 1687, 2169, 2919, 3297, 5061, 8757, 9891, 15183, 21823, 33499, 37837, 65469, 100497, 113511, 152761, 196407, 234493, 264859, 301491, 340533, 458283, 703479, 794577, 1374849, 2110437, 2383731, 5259343, 15778029, 36815401, 47334087, 110446203, 331338609]

約数ペア:

[(1, 331338609), (3, 110446203), (7, 47334087), (9, 36815401), (21, 15778029), (63, 5259343), (139, 2383731), (157, 2110437), (241, 1374849), (417, 794577), (471, 703479), (723, 458283), (973, 340533), (1099, 301491), (1251, 264859), (1413, 234493), (1687, 196407), (2169, 152761), (2919, 113511), (3297, 100497), (5061, 65469), (8757, 37837), (9891, 33499), (15183, 21823)]