121647921

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{3833}}^1$

素因数の和:4056

約数の個数: 16

約数和(自身を含む): 165628800

約数和(自身を除く): 43980879

約数列:

[1, 3, 71, 149, 213, 447, 3833, 10579, 11499, 31737, 272143, 571117, 816429, 1713351, 40549307, 121647921]

約数ペア:

[(1, 121647921), (3, 40549307), (71, 1713351), (149, 816429), (213, 571117), (447, 272143), (3833, 31737), (10579, 11499)]