7281333

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:626

約数の個数: 20

約数和(自身を含む): 10951468

約数和(自身を除く): 3670135

約数列:

[1, 3, 9, 27, 81, 241, 373, 723, 1119, 2169, 3357, 6507, 10071, 19521, 30213, 89893, 269679, 809037, 2427111, 7281333]

約数ペア:

[(1, 7281333), (3, 2427111), (9, 809037), (27, 269679), (81, 89893), (241, 30213), (373, 19521), (723, 10071), (1119, 6507), (2169, 3357)]