81761787

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{4967}}^1$

素因数の和:5063

約数の個数: 24

約数和(自身を含む): 124001280

約数和(自身を除く): 42239493

約数列:

[1, 3, 9, 31, 59, 93, 177, 279, 531, 1829, 4967, 5487, 14901, 16461, 44703, 153977, 293053, 461931, 879159, 1385793, 2637477, 9084643, 27253929, 81761787]

約数ペア:

[(1, 81761787), (3, 27253929), (9, 9084643), (31, 2637477), (59, 1385793), (93, 879159), (177, 461931), (279, 293053), (531, 153977), (1829, 44703), (4967, 16461), (5487, 14901)]