15315978

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 31397760

約数和(自身を除く): 16081782

約数列:

[1, 2, 3, 6, 71, 142, 157, 213, 229, 314, 426, 458, 471, 687, 942, 1374, 11147, 16259, 22294, 32518, 33441, 35953, 48777, 66882, 71906, 97554, 107859, 215718, 2552663, 5105326, 7657989, 15315978]

約数ペア:

[(1, 15315978), (2, 7657989), (3, 5105326), (6, 2552663), (71, 215718), (142, 107859), (157, 97554), (213, 71906), (229, 66882), (314, 48777), (426, 35953), (458, 33441), (471, 32518), (687, 22294), (942, 16259), (1374, 11147)]