2780491707

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{162859}}^1$

素因数の和:163143

約数の個数: 24

約数和(自身を含む): 4606983680

約数和(自身を除く): 1826491973

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1897, 2439, 5691, 17073, 162859, 488577, 1140013, 1465731, 3420039, 10260117, 44134789, 132404367, 308943523, 397213101, 926830569, 2780491707]

約数ペア:

[(1, 2780491707), (3, 926830569), (7, 397213101), (9, 308943523), (21, 132404367), (63, 44134789), (271, 10260117), (813, 3420039), (1897, 1465731), (2439, 1140013), (5691, 488577), (17073, 162859)]