1280523087

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{2411}}^1$

素因数の和:2585

約数の個数: 40

約数和(自身を含む): 1961245440

約数和(自身を除く): 680722353

約数列:

[1, 3, 9, 27, 79, 81, 83, 237, 249, 711, 747, 2133, 2241, 2411, 6399, 6557, 6723, 7233, 19671, 21699, 59013, 65097, 177039, 190469, 195291, 200113, 531117, 571407, 600339, 1714221, 1801017, 5142663, 5403051, 15427989, 15808927, 16209153, 47426781, 142280343, 426841029, 1280523087]

約数ペア:

[(1, 1280523087), (3, 426841029), (9, 142280343), (27, 47426781), (79, 16209153), (81, 15808927), (83, 15427989), (237, 5403051), (249, 5142663), (711, 1801017), (747, 1714221), (2133, 600339), (2241, 571407), (2411, 531117), (6399, 200113), (6557, 195291), (6723, 190469), (7233, 177039), (19671, 65097), (21699, 59013)]