81561366

素因数分解:

$2^1\times 3^2\times {\mathrm{113}}^1\times {\mathrm{40099}}^1$

素因数の和:40220

約数の個数: 24

約数和(自身を含む): 178284600

約数和(自身を除く): 96723234

約数列:

[1, 2, 3, 6, 9, 18, 113, 226, 339, 678, 1017, 2034, 40099, 80198, 120297, 240594, 360891, 721782, 4531187, 9062374, 13593561, 27187122, 40780683, 81561366]

約数ペア:

[(1, 81561366), (2, 40780683), (3, 27187122), (6, 13593561), (9, 9062374), (18, 4531187), (113, 721782), (226, 360891), (339, 240594), (678, 120297), (1017, 80198), (2034, 40099)]