2237139

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 20

約数和(自身を含む): 3397680

約数和(自身を除く): 1160541

約数列:

[1, 3, 9, 27, 71, 81, 213, 389, 639, 1167, 1917, 3501, 5751, 10503, 27619, 31509, 82857, 248571, 745713, 2237139]

約数ペア:

[(1, 2237139), (3, 745713), (9, 248571), (27, 82857), (71, 31509), (81, 27619), (213, 10503), (389, 5751), (639, 3501), (1167, 1917)]