68688529

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1937

約数の個数: 24

約数和(自身を含む): 87793152

約数和(自身を除く): 19104623

約数列:

[1, 7, 13, 31, 91, 169, 217, 403, 1183, 1873, 2821, 5239, 13111, 24349, 36673, 58063, 170443, 316537, 406441, 754819, 2215759, 5283733, 9812647, 68688529]

約数ペア:

[(1, 68688529), (7, 9812647), (13, 5283733), (31, 2215759), (91, 754819), (169, 406441), (217, 316537), (403, 170443), (1183, 58063), (1873, 36673), (2821, 24349), (5239, 13111)]