81648637

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{22133}}^1$

素因数の和:22188

約数の個数: 16

約数和(自身を含む): 101993472

約数和(自身を除く): 20344835

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 22133, 154931, 376261, 686123, 2633827, 4802861, 11664091, 81648637]

約数ペア:

[(1, 81648637), (7, 11664091), (17, 4802861), (31, 2633827), (119, 686123), (217, 376261), (527, 154931), (3689, 22133)]