128607531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 188966400

約数和(自身を除く): 60358869

約数列:

[1, 3, 13, 39, 73, 199, 219, 227, 597, 681, 949, 2587, 2847, 2951, 7761, 8853, 14527, 16571, 43581, 45173, 49713, 135519, 188851, 215423, 566553, 587249, 646269, 1761747, 3297629, 9892887, 42869177, 128607531]

約数ペア:

[(1, 128607531), (3, 42869177), (13, 9892887), (39, 3297629), (73, 1761747), (199, 646269), (219, 587249), (227, 566553), (597, 215423), (681, 188851), (949, 135519), (2587, 49713), (2847, 45173), (2951, 43581), (7761, 16571), (8853, 14527)]