81091773

素因数分解:

$3^7\times 7^1\times {\mathrm{5297}}^1$

素因数の和:5325

約数の個数: 32

約数和(自身を含む): 139019520

約数和(自身を除く): 57927747

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 5103, 5297, 15309, 15891, 37079, 47673, 111237, 143019, 333711, 429057, 1001133, 1287171, 3003399, 3861513, 9010197, 11584539, 27030591, 81091773]

約数ペア:

[(1, 81091773), (3, 27030591), (7, 11584539), (9, 9010197), (21, 3861513), (27, 3003399), (63, 1287171), (81, 1001133), (189, 429057), (243, 333711), (567, 143019), (729, 111237), (1701, 47673), (2187, 37079), (5103, 15891), (5297, 15309)]