40087791

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{12071}}^1$

素因数の和:12124

約数の個数: 20

約数和(自身を含む): 61349904

約数和(自身を除く): 21262113

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 12071, 36213, 108639, 325917, 494911, 977751, 1484733, 4454199, 13362597, 40087791]

約数ペア:

[(1, 40087791), (3, 13362597), (9, 4454199), (27, 1484733), (41, 977751), (81, 494911), (123, 325917), (369, 108639), (1107, 36213), (3321, 12071)]