664492275

素因数分解:

$3^3\times 5^2\times {\mathrm{643}}^1\times {\mathrm{1531}}^1$

素因数の和:2193

約数の個数: 48

約数和(自身を含む): 1223393920

約数和(自身を除く): 558901645

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 643, 675, 1531, 1929, 3215, 4593, 5787, 7655, 9645, 13779, 16075, 17361, 22965, 28935, 38275, 41337, 48225, 68895, 86805, 114825, 144675, 206685, 344475, 434025, 984433, 1033425, 2953299, 4922165, 8859897, 14766495, 24610825, 26579691, 44299485, 73832475, 132898455, 221497425, 664492275]

約数ペア:

[(1, 664492275), (3, 221497425), (5, 132898455), (9, 73832475), (15, 44299485), (25, 26579691), (27, 24610825), (45, 14766495), (75, 8859897), (135, 4922165), (225, 2953299), (643, 1033425), (675, 984433), (1531, 434025), (1929, 344475), (3215, 206685), (4593, 144675), (5787, 114825), (7655, 86805), (9645, 68895), (13779, 48225), (16075, 41337), (17361, 38275), (22965, 28935)]