289350009

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1721}}^1$

素因数の和:2222

約数の個数: 32

約数和(自身を含む): 462873600

約数和(自身を除く): 173523591

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 479, 1437, 1721, 4311, 5163, 6227, 12933, 15489, 18681, 22373, 46467, 56043, 67119, 168129, 201357, 604071, 824359, 2473077, 7419231, 10716667, 22257693, 32150001, 96450003, 289350009]

約数ペア:

[(1, 289350009), (3, 96450003), (9, 32150001), (13, 22257693), (27, 10716667), (39, 7419231), (117, 2473077), (351, 824359), (479, 604071), (1437, 201357), (1721, 168129), (4311, 67119), (5163, 56043), (6227, 46467), (12933, 22373), (15489, 18681)]