9991499

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 12011520

約数和(自身を除く): 2020021

約数列:

[1, 7, 23, 161, 229, 271, 1603, 1897, 5267, 6233, 36869, 43631, 62059, 434413, 1427357, 9991499]

約数ペア:

[(1, 9991499), (7, 1427357), (23, 434413), (161, 62059), (229, 43631), (271, 36869), (1603, 6233), (1897, 5267)]