6720327

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:684

約数の個数: 20

約数和(自身を含む): 10120440

約数和(自身を除く): 3400113

約数列:

[1, 3, 9, 27, 81, 163, 489, 509, 1467, 1527, 4401, 4581, 13203, 13743, 41229, 82967, 248901, 746703, 2240109, 6720327]

約数ペア:

[(1, 6720327), (3, 2240109), (9, 746703), (27, 248901), (81, 82967), (163, 41229), (489, 13743), (509, 13203), (1467, 4581), (1527, 4401)]