31358391

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 44089200

約数和(自身を除く): 12730809

約数列:

[1, 3, 31, 73, 93, 149, 219, 447, 961, 2263, 2883, 4619, 6789, 10877, 13857, 32631, 70153, 143189, 210459, 337187, 429567, 1011561, 10452797, 31358391]

約数ペア:

[(1, 31358391), (3, 10452797), (31, 1011561), (73, 429567), (93, 337187), (149, 210459), (219, 143189), (447, 70153), (961, 32631), (2263, 13857), (2883, 10877), (4619, 6789)]