261576723

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 382832640

約数和(自身を除く): 121255917

約数列:

[1, 3, 23, 29, 61, 69, 87, 183, 667, 1403, 1769, 2001, 2143, 4209, 5307, 6429, 40687, 49289, 62147, 122061, 130723, 147867, 186441, 392169, 1429381, 3006629, 3790967, 4288143, 9019887, 11372901, 87192241, 261576723]

約数ペア:

[(1, 261576723), (3, 87192241), (23, 11372901), (29, 9019887), (61, 4288143), (69, 3790967), (87, 3006629), (183, 1429381), (667, 392169), (1403, 186441), (1769, 147867), (2001, 130723), (2143, 122061), (4209, 62147), (5307, 49289), (6429, 40687)]