865988349

素因数分解:

$3^1\times {\mathrm{71}}^2\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 1181471136

約数和(自身を除く): 315482787

約数列:

[1, 3, 71, 173, 213, 331, 519, 993, 5041, 12283, 15123, 23501, 36849, 57263, 70503, 171789, 872093, 1668571, 2616279, 4065673, 5005713, 12197019, 288662783, 865988349]

約数ペア:

[(1, 865988349), (3, 288662783), (71, 12197019), (173, 5005713), (213, 4065673), (331, 2616279), (519, 1668571), (993, 872093), (5041, 171789), (12283, 70503), (15123, 57263), (23501, 36849)]