12178305

素因数分解:

$3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{977}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 21206952

約数和(自身を除く): 9028647

約数列:

[1, 3, 5, 9, 15, 45, 277, 831, 977, 1385, 2493, 2931, 4155, 4885, 8793, 12465, 14655, 43965, 270629, 811887, 1353145, 2435661, 4059435, 12178305]

約数ペア:

[(1, 12178305), (3, 4059435), (5, 2435661), (9, 1353145), (15, 811887), (45, 270629), (277, 43965), (831, 14655), (977, 12465), (1385, 8793), (2493, 4885), (2931, 4155)]