261291339

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{46751}}^1$

素因数の和:46789

約数の個数: 24

約数和(自身を含む): 408425472

約数和(自身を除く): 147134133

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 5589, 46751, 140253, 420759, 1075273, 1262277, 3225819, 3786831, 9677457, 11360493, 29032371, 87097113, 261291339]

約数ペア:

[(1, 261291339), (3, 87097113), (9, 29032371), (23, 11360493), (27, 9677457), (69, 3786831), (81, 3225819), (207, 1262277), (243, 1075273), (621, 420759), (1863, 140253), (5589, 46751)]