280149315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{11437}}^1$

素因数の和:11539

約数の個数: 32

約数和(自身を含む): 474356736

約数和(自身を除く): 194207421

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 4899, 8165, 11437, 24495, 34311, 57185, 171555, 263051, 789153, 812027, 1315255, 2436081, 3945765, 4060135, 12180405, 18676621, 56029863, 93383105, 280149315]

約数ペア:

[(1, 280149315), (3, 93383105), (5, 56029863), (15, 18676621), (23, 12180405), (69, 4060135), (71, 3945765), (115, 2436081), (213, 1315255), (345, 812027), (355, 789153), (1065, 263051), (1633, 171555), (4899, 57185), (8165, 34311), (11437, 24495)]