1521279

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 2379312

約数和(自身を除く): 858033

約数列:

[1, 3, 9, 17, 51, 61, 153, 163, 183, 489, 549, 1037, 1467, 2771, 3111, 8313, 9333, 9943, 24939, 29829, 89487, 169031, 507093, 1521279]

約数ペア:

[(1, 1521279), (3, 507093), (9, 169031), (17, 89487), (51, 29829), (61, 24939), (153, 9943), (163, 9333), (183, 8313), (489, 3111), (549, 2771), (1037, 1467)]