31181193

素因数分解:

$3^4\times {\mathrm{331}}^1\times {\mathrm{1163}}^1$

素因数の和:1506

約数の個数: 20

約数和(自身を含む): 46760208

約数和(自身を除く): 15579015

約数列:

[1, 3, 9, 27, 81, 331, 993, 1163, 2979, 3489, 8937, 10467, 26811, 31401, 94203, 384953, 1154859, 3464577, 10393731, 31181193]

約数ペア:

[(1, 31181193), (3, 10393731), (9, 3464577), (27, 1154859), (81, 384953), (331, 94203), (993, 31401), (1163, 26811), (2979, 10467), (3489, 8937)]