219912327

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{15877}}^1$

素因数の和:15914

約数の個数: 28

約数和(自身を含む): 347093080

約数和(自身を除く): 127180753

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 4617, 13851, 15877, 47631, 142893, 301663, 428679, 904989, 1286037, 2714967, 3858111, 8144901, 11574333, 24434703, 73304109, 219912327]

約数ペア:

[(1, 219912327), (3, 73304109), (9, 24434703), (19, 11574333), (27, 8144901), (57, 3858111), (81, 2714967), (171, 1286037), (243, 904989), (513, 428679), (729, 301663), (1539, 142893), (4617, 47631), (13851, 15877)]