78489117

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{40189}}^1$

素因数の和:40233

約数の個数: 24

約数和(自身を含む): 133752320

約数和(自身を除く): 55263203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 40189, 120567, 281323, 361701, 843969, 1245859, 2531907, 3737577, 8721013, 11212731, 26163039, 78489117]

約数ペア:

[(1, 78489117), (3, 26163039), (7, 11212731), (9, 8721013), (21, 3737577), (31, 2531907), (63, 1245859), (93, 843969), (217, 361701), (279, 281323), (651, 120567), (1953, 40189)]