78857985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{18191}}^1$

素因数の和:18233

約数の個数: 24

約数和(自身を含む): 134038656

約数和(自身を除く): 55180671

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 18191, 54573, 90955, 272865, 309247, 927741, 1546235, 4638705, 5257199, 15771597, 26285995, 78857985]

約数ペア:

[(1, 78857985), (3, 26285995), (5, 15771597), (15, 5257199), (17, 4638705), (51, 1546235), (85, 927741), (255, 309247), (289, 272865), (867, 90955), (1445, 54573), (4335, 18191)]