289001907

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 448156800

約数和(自身を除く): 159154893

約数列:

[1, 3, 9, 29, 41, 87, 113, 123, 239, 261, 339, 369, 717, 1017, 1189, 2151, 3277, 3567, 4633, 6931, 9799, 9831, 10701, 13899, 20793, 27007, 29397, 29493, 41697, 62379, 81021, 88191, 134357, 243063, 284171, 403071, 783203, 852513, 1107287, 1209213, 2349609, 2557539, 3321861, 7048827, 9965583, 32111323, 96333969, 289001907]

約数ペア:

[(1, 289001907), (3, 96333969), (9, 32111323), (29, 9965583), (41, 7048827), (87, 3321861), (113, 2557539), (123, 2349609), (239, 1209213), (261, 1107287), (339, 852513), (369, 783203), (717, 403071), (1017, 284171), (1189, 243063), (2151, 134357), (3277, 88191), (3567, 81021), (4633, 62379), (6931, 41697), (9799, 29493), (9831, 29397), (10701, 27007), (13899, 20793)]