216621027

素因数分解:

$3^3\times 7^1\times {\mathrm{1146143}}^1$

素因数の和:1146159

約数の個数: 16

約数和(自身を含む): 366766080

約数和(自身を除く): 150145053

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1146143, 3438429, 8023001, 10315287, 24069003, 30945861, 72207009, 216621027]

約数ペア:

[(1, 216621027), (3, 72207009), (7, 30945861), (9, 24069003), (21, 10315287), (27, 8023001), (63, 3438429), (189, 1146143)]