9945747

素因数分解:

$3^6\times 7^1\times {\mathrm{1949}}^1$

素因数の和:1974

約数の個数: 28

約数和(自身を含む): 17050800

約数和(自身を除く): 7105053

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 1949, 5103, 5847, 13643, 17541, 40929, 52623, 122787, 157869, 368361, 473607, 1105083, 1420821, 3315249, 9945747]

約数ペア:

[(1, 9945747), (3, 3315249), (7, 1420821), (9, 1105083), (21, 473607), (27, 368361), (63, 157869), (81, 122787), (189, 52623), (243, 40929), (567, 17541), (729, 13643), (1701, 5847), (1949, 5103)]