259793487

素因数分解:

$3^5\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 425128704

約数和(自身を除く): 165335217

約数列:

[1, 3, 9, 23, 27, 43, 47, 69, 81, 129, 141, 207, 243, 387, 423, 529, 621, 989, 1081, 1161, 1269, 1587, 1863, 2021, 2967, 3243, 3483, 3807, 4761, 5589, 6063, 8901, 9729, 10449, 11421, 14283, 18189, 22747, 24863, 26703, 29187, 42849, 46483, 54567, 68241, 74589, 80109, 87561, 128547, 139449, 163701, 204723, 223767, 240327, 262683, 418347, 491103, 614169, 671301, 1069109, 1255041, 1842507, 2013903, 3207327, 3765123, 5527521, 6041709, 9621981, 11295369, 28865943, 86597829, 259793487]

約数ペア:

[(1, 259793487), (3, 86597829), (9, 28865943), (23, 11295369), (27, 9621981), (43, 6041709), (47, 5527521), (69, 3765123), (81, 3207327), (129, 2013903), (141, 1842507), (207, 1255041), (243, 1069109), (387, 671301), (423, 614169), (529, 491103), (621, 418347), (989, 262683), (1081, 240327), (1161, 223767), (1269, 204723), (1587, 163701), (1863, 139449), (2021, 128547), (2967, 87561), (3243, 80109), (3483, 74589), (3807, 68241), (4761, 54567), (5589, 46483), (6063, 42849), (8901, 29187), (9729, 26703), (10449, 24863), (11421, 22747), (14283, 18189)]