258908211

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 389760000

約数和(自身を除く): 130851789

約数列:

[1, 3, 9, 27, 139, 149, 417, 447, 463, 1251, 1341, 1389, 3753, 4023, 4167, 12501, 20711, 62133, 64357, 68987, 186399, 193071, 206961, 559197, 579213, 620883, 1737639, 1862649, 9589193, 28767579, 86302737, 258908211]

約数ペア:

[(1, 258908211), (3, 86302737), (9, 28767579), (27, 9589193), (139, 1862649), (149, 1737639), (417, 620883), (447, 579213), (463, 559197), (1251, 206961), (1341, 193071), (1389, 186399), (3753, 68987), (4023, 64357), (4167, 62133), (12501, 20711)]