201820947

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{15569}}^1$

素因数の和:15750

約数の個数: 16

約数和(自身を含む): 280260000

約数和(自身を除く): 78439053

約数列:

[1, 3, 29, 87, 149, 447, 4321, 12963, 15569, 46707, 451501, 1354503, 2319781, 6959343, 67273649, 201820947]

約数ペア:

[(1, 201820947), (3, 67273649), (29, 6959343), (87, 2319781), (149, 1354503), (447, 451501), (4321, 46707), (12963, 15569)]