2153511

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 3319680

約数和(自身を除く): 1166169

約数列:

[1, 3, 9, 29, 37, 87, 111, 223, 261, 333, 669, 1073, 2007, 3219, 6467, 8251, 9657, 19401, 24753, 58203, 74259, 239279, 717837, 2153511]

約数ペア:

[(1, 2153511), (3, 717837), (9, 239279), (29, 74259), (37, 58203), (87, 24753), (111, 19401), (223, 9657), (261, 8251), (333, 6467), (669, 3219), (1073, 2007)]