8739981

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:668

約数の個数: 28

約数和(自身を含む): 13815520

約数和(自身を除く): 5075539

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 631, 729, 1539, 1893, 4617, 5679, 11989, 13851, 17037, 35967, 51111, 107901, 153333, 323703, 459999, 971109, 2913327, 8739981]

約数ペア:

[(1, 8739981), (3, 2913327), (9, 971109), (19, 459999), (27, 323703), (57, 153333), (81, 107901), (171, 51111), (243, 35967), (513, 17037), (631, 13851), (729, 11989), (1539, 5679), (1893, 4617)]