271489267

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 327628800

約数和(自身を除く): 56139533

約数列:

[1, 7, 53, 59, 79, 157, 371, 413, 553, 1099, 3127, 4187, 4661, 8321, 9263, 12403, 21889, 29309, 32627, 58247, 64841, 86821, 247033, 490939, 657359, 731777, 1729231, 3436573, 4601513, 5122439, 38784181, 271489267]

約数ペア:

[(1, 271489267), (7, 38784181), (53, 5122439), (59, 4601513), (79, 3436573), (157, 1729231), (371, 731777), (413, 657359), (553, 490939), (1099, 247033), (3127, 86821), (4187, 64841), (4661, 58247), (8321, 32627), (9263, 29309), (12403, 21889)]