639503565

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{13187}}^1$

素因数の和:13309

約数の個数: 32

約数和(自身を含む): 1059682176

約数和(自身を除く): 420178611

約数列:

[1, 3, 5, 15, 53, 61, 159, 183, 265, 305, 795, 915, 3233, 9699, 13187, 16165, 39561, 48495, 65935, 197805, 698911, 804407, 2096733, 2413221, 3494555, 4022035, 10483665, 12066105, 42633571, 127900713, 213167855, 639503565]

約数ペア:

[(1, 639503565), (3, 213167855), (5, 127900713), (15, 42633571), (53, 12066105), (61, 10483665), (159, 4022035), (183, 3494555), (265, 2413221), (305, 2096733), (795, 804407), (915, 698911), (3233, 197805), (9699, 65935), (13187, 48495), (16165, 39561)]