31291203

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{21157}}^1$

素因数の和:21206

約数の個数: 16

約数和(自身を含む): 45701280

約数和(自身を除く): 14410077

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 21157, 63471, 359669, 613553, 1079007, 1840659, 10430401, 31291203]

約数ペア:

[(1, 31291203), (3, 10430401), (17, 1840659), (29, 1079007), (51, 613553), (87, 359669), (493, 63471), (1479, 21157)]