1991485359

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{190591}}^1$

素因数の和:190649

約数の個数: 24

約数和(自身を含む): 3052521472

約数和(自身を除く): 1061036113

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 1161, 3483, 10449, 190591, 571773, 1715319, 5145957, 8195413, 15437871, 24586239, 46313613, 73758717, 221276151, 663828453, 1991485359]

約数ペア:

[(1, 1991485359), (3, 663828453), (9, 221276151), (27, 73758717), (43, 46313613), (81, 24586239), (129, 15437871), (243, 8195413), (387, 5145957), (1161, 1715319), (3483, 571773), (10449, 190591)]