31100139

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2789}}^1$

素因数の和:2864

約数の個数: 32

約数和(自身を含む): 53568000

約数和(自身を除く): 22467861

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 177, 189, 413, 531, 1239, 1593, 2789, 3717, 8367, 11151, 19523, 25101, 58569, 75303, 164551, 175707, 493653, 527121, 1151857, 1480959, 3455571, 4442877, 10366713, 31100139]

約数ペア:

[(1, 31100139), (3, 10366713), (7, 4442877), (9, 3455571), (21, 1480959), (27, 1151857), (59, 527121), (63, 493653), (177, 175707), (189, 164551), (413, 75303), (531, 58569), (1239, 25101), (1593, 19523), (2789, 11151), (3717, 8367)]