81111745

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{10313}}^1$

素因数の和:10353

約数の個数: 24

約数和(自身を含む): 115228008

約数和(自身を除く): 34116263

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 7865, 10313, 51565, 113443, 134069, 567215, 670345, 1247873, 1474759, 6239365, 7373795, 16222349, 81111745]

約数ペア:

[(1, 81111745), (5, 16222349), (11, 7373795), (13, 6239365), (55, 1474759), (65, 1247873), (121, 670345), (143, 567215), (605, 134069), (715, 113443), (1573, 51565), (7865, 10313)]