26974287

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1483}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 40744704

約数和(自身を除く): 13770417

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 423, 1483, 2021, 4449, 6063, 13347, 18189, 63769, 69701, 191307, 209103, 573921, 627309, 2997143, 8991429, 26974287]

約数ペア:

[(1, 26974287), (3, 8991429), (9, 2997143), (43, 627309), (47, 573921), (129, 209103), (141, 191307), (387, 69701), (423, 63769), (1483, 18189), (2021, 13347), (4449, 6063)]