31811013

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6323}}^1$

素因数の和:6385

約数の個数: 24

約数和(自身を含む): 50642592

約数和(自身を除く): 18831579

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 6323, 18969, 56907, 82199, 246597, 271889, 739791, 815667, 2447001, 3534557, 10603671, 31811013]

約数ペア:

[(1, 31811013), (3, 10603671), (9, 3534557), (13, 2447001), (39, 815667), (43, 739791), (117, 271889), (129, 246597), (387, 82199), (559, 56907), (1677, 18969), (5031, 6323)]