215041617

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{64403}}^1$

素因数の和:64469

約数の個数: 24

約数和(自身を含む): 361692864

約数和(自身を除く): 146651247

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 64403, 193209, 450821, 579627, 1352463, 3413359, 4057389, 10240077, 23893513, 30720231, 71680539, 215041617]

約数ペア:

[(1, 215041617), (3, 71680539), (7, 30720231), (9, 23893513), (21, 10240077), (53, 4057389), (63, 3413359), (159, 1352463), (371, 579627), (477, 450821), (1113, 193209), (3339, 64403)]