291291261

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1\times {\mathrm{971}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 411809184

約数和(自身を除く): 120517923

約数列:

[1, 3, 19, 57, 277, 361, 831, 971, 1083, 2913, 5263, 15789, 18449, 55347, 99997, 268967, 299991, 350531, 806901, 1051593, 5110373, 15331119, 97097087, 291291261]

約数ペア:

[(1, 291291261), (3, 97097087), (19, 15331119), (57, 5110373), (277, 1051593), (361, 806901), (831, 350531), (971, 299991), (1083, 268967), (2913, 99997), (5263, 55347), (15789, 18449)]