1211117913

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{139739}}^1$

素因数の和:139858

約数の個数: 20

約数和(自身を含む): 1826122320

約数和(自身を除く): 615004407

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 139739, 419217, 1257651, 3772953, 11318859, 14952073, 44856219, 134568657, 403705971, 1211117913]

約数ペア:

[(1, 1211117913), (3, 403705971), (9, 134568657), (27, 44856219), (81, 14952073), (107, 11318859), (321, 3772953), (963, 1257651), (2889, 419217), (8667, 139739)]