128664669

素因数分解:

$3^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{12791}}^1$

素因数の和:13280

約数の個数: 16

約数和(自身を含む): 196485120

約数和(自身を除く): 67820451

約数列:

[1, 3, 7, 21, 479, 1437, 3353, 10059, 12791, 38373, 89537, 268611, 6126889, 18380667, 42888223, 128664669]

約数ペア:

[(1, 128664669), (3, 42888223), (7, 18380667), (21, 6126889), (479, 268611), (1437, 89537), (3353, 38373), (10059, 12791)]