12908235

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 21450240

約数和(自身を除く): 8542005

約数列:

[1, 3, 5, 15, 41, 123, 139, 151, 205, 417, 453, 615, 695, 755, 2085, 2265, 5699, 6191, 17097, 18573, 20989, 28495, 30955, 62967, 85485, 92865, 104945, 314835, 860549, 2581647, 4302745, 12908235]

約数ペア:

[(1, 12908235), (3, 4302745), (5, 2581647), (15, 860549), (41, 314835), (123, 104945), (139, 92865), (151, 85485), (205, 62967), (417, 30955), (453, 28495), (615, 20989), (695, 18573), (755, 17097), (2085, 6191), (2265, 5699)]