1281549

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 16

約数和(自身を含む): 1785600

約数和(自身を除く): 504051

約数列:

[1, 3, 47, 61, 141, 149, 183, 447, 2867, 7003, 8601, 9089, 21009, 27267, 427183, 1281549]

約数ペア:

[(1, 1281549), (3, 427183), (47, 27267), (61, 21009), (141, 9089), (149, 8601), (183, 7003), (447, 2867)]