642000555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1201}}^1\times {\mathrm{1697}}^1$

素因数の和:2916

約数の個数: 48

約数和(自身を含む): 1273581504

約数和(自身を除く): 631580949

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1201, 1697, 3603, 5091, 6005, 8407, 8485, 10809, 11879, 15273, 18015, 25221, 25455, 35637, 42035, 54045, 59395, 75663, 76365, 106911, 126105, 178185, 378315, 534555, 2038097, 6114291, 10190485, 14266679, 18342873, 30571455, 42800037, 71333395, 91714365, 128400111, 214000185, 642000555]

約数ペア:

[(1, 642000555), (3, 214000185), (5, 128400111), (7, 91714365), (9, 71333395), (15, 42800037), (21, 30571455), (35, 18342873), (45, 14266679), (63, 10190485), (105, 6114291), (315, 2038097), (1201, 534555), (1697, 378315), (3603, 178185), (5091, 126105), (6005, 106911), (8407, 76365), (8485, 75663), (10809, 59395), (11879, 54045), (15273, 42035), (18015, 35637), (25221, 25455)]