1781974323

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{16381}}^1$

素因数の和:16489

約数の個数: 40

約数和(自身を含む): 2854399680

約数和(自身を除く): 1072425357

約数列:

[1, 3, 9, 17, 27, 51, 79, 81, 153, 237, 459, 711, 1343, 1377, 2133, 4029, 6399, 12087, 16381, 36261, 49143, 108783, 147429, 278477, 442287, 835431, 1294099, 1326861, 2506293, 3882297, 7518879, 11646891, 21999683, 22556637, 34940673, 65999049, 104822019, 197997147, 593991441, 1781974323]

約数ペア:

[(1, 1781974323), (3, 593991441), (9, 197997147), (17, 104822019), (27, 65999049), (51, 34940673), (79, 22556637), (81, 21999683), (153, 11646891), (237, 7518879), (459, 3882297), (711, 2506293), (1343, 1326861), (1377, 1294099), (2133, 835431), (4029, 442287), (6399, 278477), (12087, 147429), (16381, 108783), (36261, 49143)]