155520421

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{5261}}^1$

素因数の和:5412

約数の個数: 16

約数和(自身を含む): 183875328

約数和(自身を除く): 28354907

約数列:

[1, 7, 41, 103, 287, 721, 4223, 5261, 29561, 36827, 215701, 541883, 1509907, 3793181, 22217203, 155520421]

約数ペア:

[(1, 155520421), (7, 22217203), (41, 3793181), (103, 1509907), (287, 541883), (721, 215701), (4223, 36827), (5261, 29561)]