31780377

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{2657}}^1$

素因数の和:3109

約数の個数: 16

約数和(自身を含む): 47206080

約数和(自身を除く): 15425703

約数列:

[1, 3, 9, 27, 443, 1329, 2657, 3987, 7971, 11961, 23913, 71739, 1177051, 3531153, 10593459, 31780377]

約数ペア:

[(1, 31780377), (3, 10593459), (9, 3531153), (27, 1177051), (443, 71739), (1329, 23913), (2657, 11961), (3987, 7971)]