1881103679

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{227159}}^1$

素因数の和:227199

約数の個数: 18

約数和(自身を含む): 2369505960

約数和(自身を除く): 488402281

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 227159, 1590113, 2953067, 11130791, 20671469, 38389871, 144700283, 268729097, 1881103679]

約数ペア:

[(1, 1881103679), (7, 268729097), (13, 144700283), (49, 38389871), (91, 20671469), (169, 11130791), (637, 2953067), (1183, 1590113), (8281, 227159)]