15705381

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{727}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 22131200

約数和(自身を除く): 6425819

約数列:

[1, 3, 19, 57, 379, 727, 1137, 2181, 7201, 13813, 21603, 41439, 275533, 826599, 5235127, 15705381]

約数ペア:

[(1, 15705381), (3, 5235127), (19, 826599), (57, 275533), (379, 41439), (727, 21603), (1137, 13813), (2181, 7201)]