81874335

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1987}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 136265472

約数和(自身を除く): 54391137

約数列:

[1, 3, 5, 15, 41, 67, 123, 201, 205, 335, 615, 1005, 1987, 2747, 5961, 8241, 9935, 13735, 29805, 41205, 81467, 133129, 244401, 399387, 407335, 665645, 1222005, 1996935, 5458289, 16374867, 27291445, 81874335]

約数ペア:

[(1, 81874335), (3, 27291445), (5, 16374867), (15, 5458289), (41, 1996935), (67, 1222005), (123, 665645), (201, 407335), (205, 399387), (335, 244401), (615, 133129), (1005, 81467), (1987, 41205), (2747, 29805), (5961, 13735), (8241, 9935)]