31718673

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 54912000

約数和(自身を除く): 23193327

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 109, 149, 217, 279, 327, 447, 651, 763, 981, 1043, 1341, 1953, 2289, 3129, 3379, 4619, 6867, 9387, 10137, 13857, 16241, 23653, 30411, 32333, 41571, 48723, 70959, 96999, 113687, 146169, 212877, 290997, 341061, 503471, 1023183, 1510413, 3524297, 4531239, 10572891, 31718673]

約数ペア:

[(1, 31718673), (3, 10572891), (7, 4531239), (9, 3524297), (21, 1510413), (31, 1023183), (63, 503471), (93, 341061), (109, 290997), (149, 212877), (217, 146169), (279, 113687), (327, 96999), (447, 70959), (651, 48723), (763, 41571), (981, 32333), (1043, 30411), (1341, 23653), (1953, 16241), (2289, 13857), (3129, 10137), (3379, 9387), (4619, 6867)]