69828381

素因数分解:

$3^2\times 7^2\times {\mathrm{158341}}^1$

素因数の和:158361

約数の個数: 18

約数和(自身を含む): 117331422

約数和(自身を除く): 47503041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 158341, 475023, 1108387, 1425069, 3325161, 7758709, 9975483, 23276127, 69828381]

約数ペア:

[(1, 69828381), (3, 23276127), (7, 9975483), (9, 7758709), (21, 3325161), (49, 1425069), (63, 1108387), (147, 475023), (441, 158341)]