31138749

素因数分解:

$3^5\times {\mathrm{127}}^1\times {\mathrm{1009}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 47057920

約数和(自身を除く): 15919171

約数列:

[1, 3, 9, 27, 81, 127, 243, 381, 1009, 1143, 3027, 3429, 9081, 10287, 27243, 30861, 81729, 128143, 245187, 384429, 1153287, 3459861, 10379583, 31138749]

約数ペア:

[(1, 31138749), (3, 10379583), (9, 3459861), (27, 1153287), (81, 384429), (127, 245187), (243, 128143), (381, 81729), (1009, 30861), (1143, 27243), (3027, 10287), (3429, 9081)]