9997371

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 32

約数和(自身を含む): 15488000

約数和(自身を除く): 5490629

約数列:

[1, 3, 9, 27, 43, 79, 109, 129, 237, 327, 387, 711, 981, 1161, 2133, 2943, 3397, 4687, 8611, 10191, 14061, 25833, 30573, 42183, 77499, 91719, 126549, 232497, 370273, 1110819, 3332457, 9997371]

約数ペア:

[(1, 9997371), (3, 3332457), (9, 1110819), (27, 370273), (43, 232497), (79, 126549), (109, 91719), (129, 77499), (237, 42183), (327, 30573), (387, 25833), (711, 14061), (981, 10191), (1161, 8611), (2133, 4687), (2943, 3397)]