872242545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{21787}}^1$

素因数の和:21969

約数の個数: 32

約数和(自身を含む): 1487161728

約数和(自身を除く): 614919183

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 255, 471, 785, 2355, 2669, 8007, 13345, 21787, 40035, 65361, 108935, 326805, 370379, 1111137, 1851895, 3420559, 5555685, 10261677, 17102795, 51308385, 58149503, 174448509, 290747515, 872242545]

約数ペア:

[(1, 872242545), (3, 290747515), (5, 174448509), (15, 58149503), (17, 51308385), (51, 17102795), (85, 10261677), (157, 5555685), (255, 3420559), (471, 1851895), (785, 1111137), (2355, 370379), (2669, 326805), (8007, 108935), (13345, 65361), (21787, 40035)]