31645239

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{503}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 43045632

約数和(自身を除く): 11400393

約数列:

[1, 3, 67, 201, 313, 503, 939, 1509, 20971, 33701, 62913, 101103, 157439, 472317, 10548413, 31645239]

約数ペア:

[(1, 31645239), (3, 10548413), (67, 472317), (201, 157439), (313, 101103), (503, 62913), (939, 33701), (1509, 20971)]