25688157

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 38344608

約数和(自身を除く): 12656451

約数列:

[1, 3, 11, 33, 43, 129, 421, 473, 1263, 1419, 1849, 4631, 5547, 13893, 18103, 20339, 54309, 61017, 199133, 597399, 778429, 2335287, 8562719, 25688157]

約数ペア:

[(1, 25688157), (3, 8562719), (11, 2335287), (33, 778429), (43, 597399), (129, 199133), (421, 61017), (473, 54309), (1263, 20339), (1419, 18103), (1849, 13893), (4631, 5547)]