18170997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 9045003

約数列:

[1, 3, 13, 39, 53, 59, 149, 159, 177, 447, 689, 767, 1937, 2067, 2301, 3127, 5811, 7897, 8791, 9381, 23691, 26373, 40651, 102661, 114283, 121953, 307983, 342849, 465923, 1397769, 6056999, 18170997]

約数ペア:

[(1, 18170997), (3, 6056999), (13, 1397769), (39, 465923), (53, 342849), (59, 307983), (149, 121953), (159, 114283), (177, 102661), (447, 40651), (689, 26373), (767, 23691), (1937, 9381), (2067, 8791), (2301, 7897), (3127, 5811)]