405077465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{201031}}^1$

素因数の和:201080

約数の個数: 16

約数和(自身を含む): 540374016

約数和(自身を除く): 135296551

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 201031, 1005155, 2613403, 6231961, 13067015, 31159805, 81015493, 405077465]

約数ペア:

[(1, 405077465), (5, 81015493), (13, 31159805), (31, 13067015), (65, 6231961), (155, 2613403), (403, 1005155), (2015, 201031)]