787987359

素因数分解:

$3^4\times {\mathrm{617}}^1\times {\mathrm{15767}}^1$

素因数の和:16396

約数の個数: 20

約数和(自身を含む): 1179099504

約数和(自身を除く): 391112145

約数列:

[1, 3, 9, 27, 81, 617, 1851, 5553, 15767, 16659, 47301, 49977, 141903, 425709, 1277127, 9728239, 29184717, 87554151, 262662453, 787987359]

約数ペア:

[(1, 787987359), (3, 262662453), (9, 87554151), (27, 29184717), (81, 9728239), (617, 1277127), (1851, 425709), (5553, 141903), (15767, 49977), (16659, 47301)]