9171993

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 13262400

約数和(自身を除く): 4090407

約数列:

[1, 3, 17, 51, 71, 149, 213, 289, 447, 867, 1207, 2533, 3621, 7599, 10579, 20519, 31737, 43061, 61557, 129183, 179843, 539529, 3057331, 9171993]

約数ペア:

[(1, 9171993), (3, 3057331), (17, 539529), (51, 179843), (71, 129183), (149, 61557), (213, 43061), (289, 31737), (447, 20519), (867, 10579), (1207, 7599), (2533, 3621)]