17880213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12391}}^1$

素因数の和:12444

約数の個数: 16

約数和(自身を含む): 26370176

約数和(自身を除く): 8489963

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 12391, 37173, 161083, 458467, 483249, 1375401, 5960071, 17880213]

約数ペア:

[(1, 17880213), (3, 5960071), (13, 1375401), (37, 483249), (39, 458467), (111, 161083), (481, 37173), (1443, 12391)]