77381787

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{78401}}^1$

素因数の和:78458

約数の個数: 16

約数和(自身を含む): 120425472

約数和(自身を除く): 43043685

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 78401, 235203, 548807, 1646421, 3684847, 11054541, 25793929, 77381787]

約数ペア:

[(1, 77381787), (3, 25793929), (7, 11054541), (21, 3684847), (47, 1646421), (141, 548807), (329, 235203), (987, 78401)]