3128307

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 5228496

約数和(自身を除く): 2100189

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1637, 1911, 4911, 11459, 21281, 34377, 63843, 80213, 148967, 240639, 446901, 1042769, 3128307]

約数ペア:

[(1, 3128307), (3, 1042769), (7, 446901), (13, 240639), (21, 148967), (39, 80213), (49, 63843), (91, 34377), (147, 21281), (273, 11459), (637, 4911), (1637, 1911)]