221492055

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1993}}^1$

素因数の和:2271

約数の個数: 32

約数和(自身を含む): 367534080

約数和(自身を除く): 146042025

約数列:

[1, 3, 5, 15, 31, 93, 155, 239, 465, 717, 1195, 1993, 3585, 5979, 7409, 9965, 22227, 29895, 37045, 61783, 111135, 185349, 308915, 476327, 926745, 1428981, 2381635, 7144905, 14766137, 44298411, 73830685, 221492055]

約数ペア:

[(1, 221492055), (3, 73830685), (5, 44298411), (15, 14766137), (31, 7144905), (93, 2381635), (155, 1428981), (239, 926745), (465, 476327), (717, 308915), (1195, 185349), (1993, 111135), (3585, 61783), (5979, 37045), (7409, 29895), (9965, 22227)]