42420287

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1613}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 55495776

約数和(自身を除く): 13075489

約数列:

[1, 7, 13, 17, 91, 119, 221, 289, 1547, 1613, 2023, 3757, 11291, 20969, 26299, 27421, 146783, 191947, 356473, 466157, 2495311, 3263099, 6060041, 42420287]

約数ペア:

[(1, 42420287), (7, 6060041), (13, 3263099), (17, 2495311), (91, 466157), (119, 356473), (221, 191947), (289, 146783), (1547, 27421), (1613, 26299), (2023, 20969), (3757, 11291)]