641230323

素因数分解:

$3^1\times {\mathrm{71}}^2\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 877390800

約数和(自身を除く): 236160477

約数列:

[1, 3, 71, 109, 213, 327, 389, 1167, 5041, 7739, 15123, 23217, 27619, 42401, 82857, 127203, 549469, 1648407, 1960949, 3010471, 5882847, 9031413, 213743441, 641230323]

約数ペア:

[(1, 641230323), (3, 213743441), (71, 9031413), (109, 5882847), (213, 3010471), (327, 1960949), (389, 1648407), (1167, 549469), (5041, 127203), (7739, 82857), (15123, 42401), (23217, 27619)]