81585018

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{105407}}^1$

素因数の和:105458

約数の個数: 24

約数和(自身を含む): 180880128

約数和(自身を除く): 99295110

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 105407, 210814, 316221, 632442, 948663, 1897326, 4532501, 9065002, 13597503, 27195006, 40792509, 81585018]

約数ペア:

[(1, 81585018), (2, 40792509), (3, 27195006), (6, 13597503), (9, 9065002), (18, 4532501), (43, 1897326), (86, 948663), (129, 632442), (258, 316221), (387, 210814), (774, 105407)]