7121191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4021}}^1$

素因数の和:4062

約数の個数: 16

約数和(自身を含む): 9266688

約数和(自身を除く): 2145497

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 4021, 28147, 44231, 92483, 309617, 647381, 1017313, 7121191]

約数ペア:

[(1, 7121191), (7, 1017313), (11, 647381), (23, 309617), (77, 92483), (161, 44231), (253, 28147), (1771, 4021)]