858779895

素因数分解:

$3^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{28669}}^1$

素因数の和:30674

約数の個数: 16

約数和(自身を含む): 1374783840

約数和(自身を除く): 516003945

約数列:

[1, 3, 5, 15, 1997, 5991, 9985, 28669, 29955, 86007, 143345, 430035, 57251993, 171755979, 286259965, 858779895]

約数ペア:

[(1, 858779895), (3, 286259965), (5, 171755979), (15, 57251993), (1997, 430035), (5991, 143345), (9985, 86007), (28669, 29955)]