31840317

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 49280000

約数和(自身を除く): 17439683

約数列:

[1, 3, 9, 27, 31, 93, 109, 279, 327, 349, 837, 981, 1047, 2943, 3141, 3379, 9423, 10137, 10819, 30411, 32457, 38041, 91233, 97371, 114123, 292113, 342369, 1027107, 1179271, 3537813, 10613439, 31840317]

約数ペア:

[(1, 31840317), (3, 10613439), (9, 3537813), (27, 1179271), (31, 1027107), (93, 342369), (109, 292113), (279, 114123), (327, 97371), (349, 91233), (837, 38041), (981, 32457), (1047, 30411), (2943, 10819), (3141, 10137), (3379, 9423)]