78864771

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1\times {\mathrm{991}}^1$

素因数の和:1682

約数の個数: 16

約数和(自身を含む): 107993088

約数和(自身を除く): 29128317

約数列:

[1, 3, 41, 123, 647, 991, 1941, 2973, 26527, 40631, 79581, 121893, 641177, 1923531, 26288257, 78864771]

約数ペア:

[(1, 78864771), (3, 26288257), (41, 1923531), (123, 641177), (647, 121893), (991, 79581), (1941, 40631), (2973, 26527)]