81849405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{2129}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 143544960

約数和(自身を除く): 61695555

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 233, 699, 1165, 2129, 2563, 3495, 6387, 7689, 10645, 12815, 23419, 31935, 38445, 70257, 117095, 351285, 496057, 1488171, 2480285, 5456627, 7440855, 16369881, 27283135, 81849405]

約数ペア:

[(1, 81849405), (3, 27283135), (5, 16369881), (11, 7440855), (15, 5456627), (33, 2480285), (55, 1488171), (165, 496057), (233, 351285), (699, 117095), (1165, 70257), (2129, 38445), (2563, 31935), (3495, 23419), (6387, 12815), (7689, 10645)]