10121111

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10111}}^1$

素因数の和:10142

約数の個数: 16

約数和(自身を含む): 13590528

約数和(自身を除く): 3469417

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 10111, 70777, 111221, 131443, 778547, 920101, 1445873, 10121111]

約数ペア:

[(1, 10121111), (7, 1445873), (11, 920101), (13, 778547), (77, 131443), (91, 111221), (143, 70777), (1001, 10111)]