9011979

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 40

約数和(自身を含む): 14419328

約数和(自身を除く): 5407349

約数列:

[1, 3, 9, 27, 31, 37, 81, 93, 97, 111, 279, 291, 333, 837, 873, 999, 1147, 2511, 2619, 2997, 3007, 3441, 3589, 7857, 9021, 10323, 10767, 27063, 30969, 32301, 81189, 92907, 96903, 111259, 243567, 290709, 333777, 1001331, 3003993, 9011979]

約数ペア:

[(1, 9011979), (3, 3003993), (9, 1001331), (27, 333777), (31, 290709), (37, 243567), (81, 111259), (93, 96903), (97, 92907), (111, 81189), (279, 32301), (291, 30969), (333, 27063), (837, 10767), (873, 10323), (999, 9021), (1147, 7857), (2511, 3589), (2619, 3441), (2997, 3007)]