12420810945

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{388211}}^1$

素因数の和:388307

約数の個数: 40

約数和(自身を含む): 22547352960

約数和(自身を除く): 10126542015

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 2133, 3555, 6399, 10665, 31995, 388211, 1164633, 1941055, 3493899, 5823165, 10481697, 17469495, 30668669, 31445091, 52408485, 92006007, 153343345, 157225455, 276018021, 460030035, 828054063, 1380090105, 2484162189, 4140270315, 12420810945]

約数ペア:

[(1, 12420810945), (3, 4140270315), (5, 2484162189), (9, 1380090105), (15, 828054063), (27, 460030035), (45, 276018021), (79, 157225455), (81, 153343345), (135, 92006007), (237, 52408485), (395, 31445091), (405, 30668669), (711, 17469495), (1185, 10481697), (2133, 5823165), (3555, 3493899), (6399, 1941055), (10665, 1164633), (31995, 388211)]