40690431

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{2213}}^1$

素因数の和:2452

約数の個数: 20

約数和(自身を含む): 61079832

約数和(自身を除く): 20389401

約数列:

[1, 3, 9, 27, 81, 227, 681, 2043, 2213, 6129, 6639, 18387, 19917, 59751, 179253, 502351, 1507053, 4521159, 13563477, 40690431]

約数ペア:

[(1, 40690431), (3, 13563477), (9, 4521159), (27, 1507053), (81, 502351), (227, 179253), (681, 59751), (2043, 19917), (2213, 18387), (6129, 6639)]