81902457

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{100003}}^1$

素因数の和:100029

約数の個数: 24

約数和(自身を含む): 145605824

約数和(自身を除く): 63703367

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 100003, 300009, 700021, 900027, 1300039, 2100063, 3900117, 6300189, 9100273, 11700351, 27300819, 81902457]

約数ペア:

[(1, 81902457), (3, 27300819), (7, 11700351), (9, 9100273), (13, 6300189), (21, 3900117), (39, 2100063), (63, 1300039), (91, 900027), (117, 700021), (273, 300009), (819, 100003)]