258432021

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{23027}}^1$

素因数の和:23105

約数の個数: 24

約数和(自身を含む): 395160480

約数和(自身を除く): 136728459

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 3741, 11223, 23027, 69081, 207243, 667783, 990161, 2003349, 2970483, 6010047, 8911449, 28714669, 86144007, 258432021]

約数ペア:

[(1, 258432021), (3, 86144007), (9, 28714669), (29, 8911449), (43, 6010047), (87, 2970483), (129, 2003349), (261, 990161), (387, 667783), (1247, 207243), (3741, 69081), (11223, 23027)]