68888235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{653}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 119101248

約数和(自身を除く): 50213013

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 541, 653, 1623, 1959, 2705, 3265, 7033, 8115, 8489, 9795, 21099, 25467, 35165, 42445, 105495, 127335, 353273, 1059819, 1766365, 4592549, 5299095, 13777647, 22962745, 68888235]

約数ペア:

[(1, 68888235), (3, 22962745), (5, 13777647), (13, 5299095), (15, 4592549), (39, 1766365), (65, 1059819), (195, 353273), (541, 127335), (653, 105495), (1623, 42445), (1959, 35165), (2705, 25467), (3265, 21099), (7033, 9795), (8115, 8489)]