81502813

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{991}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 96501760

約数和(自身を除く): 14998947

約数列:

[1, 7, 31, 217, 379, 991, 2653, 6937, 11749, 30721, 82243, 215047, 375589, 2629123, 11643259, 81502813]

約数ペア:

[(1, 81502813), (7, 11643259), (31, 2629123), (217, 375589), (379, 215047), (991, 82243), (2653, 30721), (6937, 11749)]