128219871

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 193277952

約数和(自身を除く): 65058081

約数列:

[1, 3, 13, 23, 39, 69, 223, 299, 641, 669, 897, 1923, 2899, 5129, 8333, 8697, 14743, 15387, 24999, 44229, 66677, 142943, 191659, 200031, 428829, 574977, 1858259, 3287689, 5574777, 9863067, 42739957, 128219871]

約数ペア:

[(1, 128219871), (3, 42739957), (13, 9863067), (23, 5574777), (39, 3287689), (69, 1858259), (223, 574977), (299, 428829), (641, 200031), (669, 191659), (897, 142943), (1923, 66677), (2899, 44229), (5129, 24999), (8333, 15387), (8697, 14743)]