188816901

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691637}}^1$

素因数の和:691660

約数の個数: 16

約数和(自身を含む): 309853824

約数和(自身を除く): 121036923

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 691637, 2074911, 4841459, 8991281, 14524377, 26973843, 62938967, 188816901]

約数ペア:

[(1, 188816901), (3, 62938967), (7, 26973843), (13, 14524377), (21, 8991281), (39, 4841459), (91, 2074911), (273, 691637)]