127779421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{3137}}^1$

素因数の和:3201

約数の個数: 24

約数和(自身を含む): 166590144

約数和(自身を除く): 38810723

約数列:

[1, 7, 11, 23, 77, 161, 253, 529, 1771, 3137, 3703, 5819, 21959, 34507, 40733, 72151, 241549, 505057, 793661, 1659473, 5555627, 11616311, 18254203, 127779421]

約数ペア:

[(1, 127779421), (7, 18254203), (11, 11616311), (23, 5555627), (77, 1659473), (161, 793661), (253, 505057), (529, 241549), (1771, 72151), (3137, 40733), (3703, 34507), (5819, 21959)]