990843111

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{394601}}^1$

素因数の和:394644

約数の個数: 20

約数和(自身を含む): 1527898944

約数和(自身を除く): 537055833

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 394601, 1183803, 3551409, 10654227, 12232631, 31962681, 36697893, 110093679, 330281037, 990843111]

約数ペア:

[(1, 990843111), (3, 330281037), (9, 110093679), (27, 36697893), (31, 31962681), (81, 12232631), (93, 10654227), (279, 3551409), (837, 1183803), (2511, 394601)]