138990411

素因数分解:

$3^7\times 7^2\times {\mathrm{1297}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 242674080

約数和(自身を除く): 103683669

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1297, 1323, 1701, 2187, 3891, 3969, 5103, 9079, 11673, 11907, 15309, 27237, 35019, 35721, 63553, 81711, 105057, 107163, 190659, 245133, 315171, 571977, 735399, 945513, 1715931, 2206197, 2836539, 5147793, 6618591, 15443379, 19855773, 46330137, 138990411]

約数ペア:

[(1, 138990411), (3, 46330137), (7, 19855773), (9, 15443379), (21, 6618591), (27, 5147793), (49, 2836539), (63, 2206197), (81, 1715931), (147, 945513), (189, 735399), (243, 571977), (441, 315171), (567, 245133), (729, 190659), (1297, 107163), (1323, 105057), (1701, 81711), (2187, 63553), (3891, 35721), (3969, 35019), (5103, 27237), (9079, 15309), (11673, 11907)]