15901613

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 21853440

約数和(自身を除く): 5951827

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 247, 323, 541, 1547, 1729, 2261, 3787, 4199, 7033, 9197, 10279, 29393, 49231, 64379, 71953, 119561, 133627, 174743, 836927, 935389, 1223201, 2271659, 15901613]

約数ペア:

[(1, 15901613), (7, 2271659), (13, 1223201), (17, 935389), (19, 836927), (91, 174743), (119, 133627), (133, 119561), (221, 71953), (247, 64379), (323, 49231), (541, 29393), (1547, 10279), (1729, 9197), (2261, 7033), (3787, 4199)]