40784229

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{1619}}^1$

素因数の和:1942

約数の個数: 20

約数和(自身を含む): 61158240

約数和(自身を除く): 20374011

約数列:

[1, 3, 9, 27, 81, 311, 933, 1619, 2799, 4857, 8397, 14571, 25191, 43713, 131139, 503509, 1510527, 4531581, 13594743, 40784229]

約数ペア:

[(1, 40784229), (3, 13594743), (9, 4531581), (27, 1510527), (81, 503509), (311, 131139), (933, 43713), (1619, 25191), (2799, 14571), (4857, 8397)]