858171879

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{6791}}^1$

素因数の和:7555

約数の個数: 24

約数和(自身を含む): 1306780800

約数和(自身を除く): 448608921

約数列:

[1, 3, 9, 19, 57, 171, 739, 2217, 6651, 6791, 14041, 20373, 42123, 61119, 126369, 129029, 387087, 1161261, 5018549, 15055647, 45166941, 95352431, 286057293, 858171879]

約数ペア:

[(1, 858171879), (3, 286057293), (9, 95352431), (19, 45166941), (57, 15055647), (171, 5018549), (739, 1161261), (2217, 387087), (6651, 129029), (6791, 126369), (14041, 61119), (20373, 42123)]