203088405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1999}}^1$

素因数の和:2541

約数の個数: 32

約数和(自身を含む): 350784000

約数和(自身を除く): 147695595

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 521, 1563, 1999, 2605, 5997, 6773, 7815, 9995, 20319, 25987, 29985, 33865, 77961, 101595, 129935, 389805, 1041479, 3124437, 5207395, 13539227, 15622185, 40617681, 67696135, 203088405]

約数ペア:

[(1, 203088405), (3, 67696135), (5, 40617681), (13, 15622185), (15, 13539227), (39, 5207395), (65, 3124437), (195, 1041479), (521, 389805), (1563, 129935), (1999, 101595), (2605, 77961), (5997, 33865), (6773, 29985), (7815, 25987), (9995, 20319)]