40991427

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{3923}}^1$

素因数の和:3981

約数の個数: 24

約数和(自身を含む): 62846784

約数和(自身を除く): 21855357

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 1161, 3483, 3923, 10449, 11769, 35307, 105921, 168689, 317763, 506067, 953289, 1518201, 4554603, 13663809, 40991427]

約数ペア:

[(1, 40991427), (3, 13663809), (9, 4554603), (27, 1518201), (43, 953289), (81, 506067), (129, 317763), (243, 168689), (387, 105921), (1161, 35307), (3483, 11769), (3923, 10449)]