7200981

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{4679}}^1$

素因数の和:4710

約数の個数: 20

約数和(自身を含む): 11325600

約数和(自身を除く): 4124619

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 4679, 14037, 42111, 88901, 126333, 266703, 378999, 800109, 2400327, 7200981]

約数ペア:

[(1, 7200981), (3, 2400327), (9, 800109), (19, 378999), (27, 266703), (57, 126333), (81, 88901), (171, 42111), (513, 14037), (1539, 4679)]