78643953

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{9613}}^1$

素因数の和:9726

約数の個数: 20

約数和(自身を含む): 118655988

約数和(自身を除く): 40012035

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 9613, 28839, 86517, 259551, 778653, 970913, 2912739, 8738217, 26214651, 78643953]

約数ペア:

[(1, 78643953), (3, 26214651), (9, 8738217), (27, 2912739), (81, 970913), (101, 778653), (303, 259551), (909, 86517), (2727, 28839), (8181, 9613)]