31820283

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:597

約数の個数: 40

約数和(自身を含む): 52690176

約数和(自身を除く): 20869893

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 99, 213, 297, 503, 639, 781, 891, 1509, 1917, 2343, 4527, 5533, 5751, 7029, 13581, 16599, 21087, 35713, 40743, 49797, 63261, 107139, 149391, 321417, 392843, 448173, 964251, 1178529, 2892753, 3535587, 10606761, 31820283]

約数ペア:

[(1, 31820283), (3, 10606761), (9, 3535587), (11, 2892753), (27, 1178529), (33, 964251), (71, 448173), (81, 392843), (99, 321417), (213, 149391), (297, 107139), (503, 63261), (639, 49797), (781, 40743), (891, 35713), (1509, 21087), (1917, 16599), (2343, 13581), (4527, 7029), (5533, 5751)]