85990965

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1\times {\mathrm{431}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 141336576

約数和(自身を除く): 55345611

約数列:

[1, 3, 5, 15, 47, 141, 235, 283, 431, 705, 849, 1293, 1415, 2155, 4245, 6465, 13301, 20257, 39903, 60771, 66505, 101285, 121973, 199515, 303855, 365919, 609865, 1829595, 5732731, 17198193, 28663655, 85990965]

約数ペア:

[(1, 85990965), (3, 28663655), (5, 17198193), (15, 5732731), (47, 1829595), (141, 609865), (235, 365919), (283, 303855), (431, 199515), (705, 121973), (849, 101285), (1293, 66505), (1415, 60771), (2155, 39903), (4245, 20257), (6465, 13301)]