78392013

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{2707}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 122249952

約数和(自身を除く): 43857939

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 1379, 2707, 4137, 8121, 9653, 18949, 28959, 56847, 132643, 397929, 533279, 1599837, 3732953, 11198859, 26130671, 78392013]

約数ペア:

[(1, 78392013), (3, 26130671), (7, 11198859), (21, 3732953), (49, 1599837), (147, 533279), (197, 397929), (591, 132643), (1379, 56847), (2707, 28959), (4137, 18949), (8121, 9653)]