31684851

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:893

約数の個数: 40

約数和(自身を含む): 52899264

約数和(自身を除く): 21214413

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 129, 297, 387, 473, 827, 891, 1161, 1419, 2481, 3483, 4257, 7443, 9097, 12771, 22329, 27291, 35561, 38313, 66987, 81873, 106683, 245619, 320049, 391171, 736857, 960147, 1173513, 2880441, 3520539, 10561617, 31684851]

約数ペア:

[(1, 31684851), (3, 10561617), (9, 3520539), (11, 2880441), (27, 1173513), (33, 960147), (43, 736857), (81, 391171), (99, 320049), (129, 245619), (297, 106683), (387, 81873), (473, 66987), (827, 38313), (891, 35561), (1161, 27291), (1419, 22329), (2481, 12771), (3483, 9097), (4257, 7443)]