12151521

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 18720000

約数和(自身を除く): 6568479

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 1249, 3243, 3747, 9729, 11241, 28727, 58703, 86181, 176109, 258543, 528327, 1350169, 4050507, 12151521]

約数ペア:

[(1, 12151521), (3, 4050507), (9, 1350169), (23, 528327), (47, 258543), (69, 176109), (141, 86181), (207, 58703), (423, 28727), (1081, 11241), (1249, 9729), (3243, 3747)]