199143279

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{31121}}^1$

素因数の和:31212

約数の個数: 20

約数和(自身を含む): 301260960

約数和(自身を除く): 102117681

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 31121, 93363, 280089, 840267, 2458559, 2520801, 7375677, 22127031, 66381093, 199143279]

約数ペア:

[(1, 199143279), (3, 66381093), (9, 22127031), (27, 7375677), (79, 2520801), (81, 2458559), (237, 840267), (711, 280089), (2133, 93363), (6399, 31121)]