289073205

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11701}}^1$

素因数の和:11779

約数の個数: 40

約数和(自身を含む): 526730424

約数和(自身を除く): 237657219

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 2745, 4941, 8235, 11701, 24705, 35103, 58505, 105309, 175515, 315927, 526545, 713761, 947781, 1579635, 2141283, 3568805, 4738905, 6423849, 10706415, 19271547, 32119245, 57814641, 96357735, 289073205]

約数ペア:

[(1, 289073205), (3, 96357735), (5, 57814641), (9, 32119245), (15, 19271547), (27, 10706415), (45, 6423849), (61, 4738905), (81, 3568805), (135, 2141283), (183, 1579635), (305, 947781), (405, 713761), (549, 526545), (915, 315927), (1647, 175515), (2745, 105309), (4941, 58505), (8235, 35103), (11701, 24705)]