1216615305

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{17327}}^1$

素因数の和:17517

約数の個数: 32

約数和(自身を含む): 2022801408

約数和(自身を除く): 806186103

約数列:

[1, 3, 5, 15, 31, 93, 151, 155, 453, 465, 755, 2265, 4681, 14043, 17327, 23405, 51981, 70215, 86635, 259905, 537137, 1611411, 2616377, 2685685, 7849131, 8057055, 13081885, 39245655, 81107687, 243323061, 405538435, 1216615305]

約数ペア:

[(1, 1216615305), (3, 405538435), (5, 243323061), (15, 81107687), (31, 39245655), (93, 13081885), (151, 8057055), (155, 7849131), (453, 2685685), (465, 2616377), (755, 1611411), (2265, 537137), (4681, 259905), (14043, 86635), (17327, 70215), (23405, 51981)]