81939564

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{46451}}^1$

素因数の和:46475

約数の個数: 54

約数和(自身を含む): 240946524

約数和(自身を除く): 159006960

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 46451, 92902, 139353, 185804, 278706, 325157, 418059, 557412, 650314, 836118, 975471, 1300628, 1672236, 1950942, 2276099, 2926413, 3901884, 4552198, 5852826, 6828297, 9104396, 11705652, 13656594, 20484891, 27313188, 40969782, 81939564]

約数ペア:

[(1, 81939564), (2, 40969782), (3, 27313188), (4, 20484891), (6, 13656594), (7, 11705652), (9, 9104396), (12, 6828297), (14, 5852826), (18, 4552198), (21, 3901884), (28, 2926413), (36, 2276099), (42, 1950942), (49, 1672236), (63, 1300628), (84, 975471), (98, 836118), (126, 650314), (147, 557412), (196, 418059), (252, 325157), (294, 278706), (441, 185804), (588, 139353), (882, 92902), (1764, 46451)]