2021123325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{15131}}^1$

素因数の和:15294

約数の個数: 48

約数和(自身を含む): 3625142976

約数和(自身を除く): 1604019651

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 137, 195, 325, 411, 685, 975, 1781, 2055, 3425, 5343, 8905, 10275, 15131, 26715, 44525, 45393, 75655, 133575, 196703, 226965, 378275, 590109, 983515, 1134825, 2072947, 2950545, 4917575, 6218841, 10364735, 14752725, 26948311, 31094205, 51823675, 80844933, 134741555, 155471025, 404224665, 673707775, 2021123325]

約数ペア:

[(1, 2021123325), (3, 673707775), (5, 404224665), (13, 155471025), (15, 134741555), (25, 80844933), (39, 51823675), (65, 31094205), (75, 26948311), (137, 14752725), (195, 10364735), (325, 6218841), (411, 4917575), (685, 2950545), (975, 2072947), (1781, 1134825), (2055, 983515), (3425, 590109), (5343, 378275), (8905, 226965), (10275, 196703), (15131, 133575), (26715, 75655), (44525, 45393)]