65531997

素因数分解:

$3^6\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:632

約数の個数: 28

約数和(自身を含む): 98925244

約数和(自身を除く): 33393247

約数列:

[1, 3, 9, 27, 81, 241, 243, 373, 723, 729, 1119, 2169, 3357, 6507, 10071, 19521, 30213, 58563, 89893, 90639, 175689, 269679, 271917, 809037, 2427111, 7281333, 21843999, 65531997]

約数ペア:

[(1, 65531997), (3, 21843999), (9, 7281333), (27, 2427111), (81, 809037), (241, 271917), (243, 269679), (373, 175689), (723, 90639), (729, 89893), (1119, 58563), (2169, 30213), (3357, 19521), (6507, 10071)]