31495311

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{8273}}^1$

素因数の和:8332

約数の個数: 20

約数和(自身を含む): 48055392

約数和(自身を除く): 16560081

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 8273, 24819, 74457, 223371, 388831, 670113, 1166493, 3499479, 10498437, 31495311]

約数ペア:

[(1, 31495311), (3, 10498437), (9, 3499479), (27, 1166493), (47, 670113), (81, 388831), (141, 223371), (423, 74457), (1269, 24819), (3807, 8273)]