72768987

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{839}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 110073600

約数和(自身を除く): 37304613

約数列:

[1, 3, 9, 23, 69, 207, 419, 839, 1257, 2517, 3771, 7551, 9637, 19297, 28911, 57891, 86733, 173673, 351541, 1054623, 3163869, 8085443, 24256329, 72768987]

約数ペア:

[(1, 72768987), (3, 24256329), (9, 8085443), (23, 3163869), (69, 1054623), (207, 351541), (419, 173673), (839, 86733), (1257, 57891), (2517, 28911), (3771, 19297), (7551, 9637)]