390690783

素因数分解:

$3^6\times 7^1\times {\mathrm{76561}}^1$

素因数の和:76586

約数の個数: 28

約数和(自身を含む): 669458128

約数和(自身を除く): 278767345

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 76561, 229683, 535927, 689049, 1607781, 2067147, 4823343, 6201441, 14470029, 18604323, 43410087, 55812969, 130230261, 390690783]

約数ペア:

[(1, 390690783), (3, 130230261), (7, 55812969), (9, 43410087), (21, 18604323), (27, 14470029), (63, 6201441), (81, 4823343), (189, 2067147), (243, 1607781), (567, 689049), (729, 535927), (1701, 229683), (5103, 76561)]