207963405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{821}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 389568816

約数和(自身を除く): 181605411

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 433, 585, 821, 1299, 2165, 2463, 3897, 4105, 5629, 6495, 7389, 10673, 12315, 16887, 19485, 28145, 32019, 36945, 50661, 53365, 84435, 96057, 160095, 253305, 355493, 480285, 1066479, 1777465, 3199437, 4621409, 5332395, 13864227, 15997185, 23107045, 41592681, 69321135, 207963405]

約数ペア:

[(1, 207963405), (3, 69321135), (5, 41592681), (9, 23107045), (13, 15997185), (15, 13864227), (39, 5332395), (45, 4621409), (65, 3199437), (117, 1777465), (195, 1066479), (433, 480285), (585, 355493), (821, 253305), (1299, 160095), (2165, 96057), (2463, 84435), (3897, 53365), (4105, 50661), (5629, 36945), (6495, 32019), (7389, 28145), (10673, 19485), (12315, 16887)]