142506287

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 184909824

約数和(自身を除く): 42403537

約数列:

[1, 7, 11, 31, 77, 217, 227, 263, 341, 1589, 1841, 2387, 2497, 2893, 7037, 8153, 17479, 20251, 49259, 57071, 59701, 77407, 89683, 417907, 541849, 627781, 656711, 1850731, 4596977, 12955117, 20358041, 142506287]

約数ペア:

[(1, 142506287), (7, 20358041), (11, 12955117), (31, 4596977), (77, 1850731), (217, 656711), (227, 627781), (263, 541849), (341, 417907), (1589, 89683), (1841, 77407), (2387, 59701), (2497, 57071), (2893, 49259), (7037, 20251), (8153, 17479)]