209836731

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{145417}}^1$

素因数の和:145470

約数の個数: 16

約数和(自身を含む): 309449504

約数和(自身を除く): 99612773

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 145417, 436251, 1890421, 5380429, 5671263, 16141287, 69945577, 209836731]

約数ペア:

[(1, 209836731), (3, 69945577), (13, 16141287), (37, 5671263), (39, 5380429), (111, 1890421), (481, 436251), (1443, 145417)]