1990298979

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{1249403}}^1$

素因数の和:1249471

約数の個数: 16

約数和(自身を含む): 2998569600

約数和(自身を除く): 1008270621

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 1249403, 3748209, 11244627, 33733881, 73714777, 221144331, 663432993, 1990298979]

約数ペア:

[(1, 1990298979), (3, 663432993), (9, 221144331), (27, 73714777), (59, 33733881), (177, 11244627), (531, 3748209), (1593, 1249403)]