78867723

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 119314944

約数和(自身を除く): 40447221

約数列:

[1, 3, 11, 33, 41, 71, 123, 213, 451, 781, 821, 1353, 2343, 2463, 2911, 8733, 9031, 27093, 32021, 33661, 58291, 96063, 100983, 174873, 370271, 641201, 1110813, 1923603, 2389931, 7169793, 26289241, 78867723]

約数ペア:

[(1, 78867723), (3, 26289241), (11, 7169793), (33, 2389931), (41, 1923603), (71, 1110813), (123, 641201), (213, 370271), (451, 174873), (781, 100983), (821, 96063), (1353, 58291), (2343, 33661), (2463, 32021), (2911, 27093), (8733, 9031)]