258331353

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1583}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 415641600

約数和(自身を除く): 157310247

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 409, 1227, 1583, 2863, 4749, 7771, 8589, 11081, 23313, 30077, 33243, 54397, 90231, 163191, 210539, 631617, 647447, 1942341, 4532129, 12301493, 13596387, 36904479, 86110451, 258331353]

約数ペア:

[(1, 258331353), (3, 86110451), (7, 36904479), (19, 13596387), (21, 12301493), (57, 4532129), (133, 1942341), (399, 647447), (409, 631617), (1227, 210539), (1583, 163191), (2863, 90231), (4749, 54397), (7771, 33243), (8589, 30077), (11081, 23313)]