12131505

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1318

約数の個数: 32

約数和(自身を含む): 21880320

約数和(自身を除く): 9748815

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1231, 1971, 3285, 3693, 6155, 9855, 11079, 18465, 33237, 55395, 89863, 166185, 269589, 449315, 808767, 1347945, 2426301, 4043835, 12131505]

約数ペア:

[(1, 12131505), (3, 4043835), (5, 2426301), (9, 1347945), (15, 808767), (27, 449315), (45, 269589), (73, 166185), (135, 89863), (219, 55395), (365, 33237), (657, 18465), (1095, 11079), (1231, 9855), (1971, 6155), (3285, 3693)]