81273942

素因数分解:

$2^1\times 3^4\times {\mathrm{501691}}^1$

素因数の和:501705

約数の個数: 20

約数和(自身を含む): 182114196

約数和(自身を除く): 100840254

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 501691, 1003382, 1505073, 3010146, 4515219, 9030438, 13545657, 27091314, 40636971, 81273942]

約数ペア:

[(1, 81273942), (2, 40636971), (3, 27091314), (6, 13545657), (9, 9030438), (18, 4515219), (27, 3010146), (54, 1505073), (81, 1003382), (162, 501691)]