27980478

素因数分解:

$2^1\times 3^7\times {\mathrm{6397}}^1$

素因数の和:6420

約数の個数: 32

約数和(自身を含む): 62956320

約数和(自身を除く): 34975842

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 6397, 12794, 19191, 38382, 57573, 115146, 172719, 345438, 518157, 1036314, 1554471, 3108942, 4663413, 9326826, 13990239, 27980478]

約数ペア:

[(1, 27980478), (2, 13990239), (3, 9326826), (6, 4663413), (9, 3108942), (18, 1554471), (27, 1036314), (54, 518157), (81, 345438), (162, 172719), (243, 115146), (486, 57573), (729, 38382), (1458, 19191), (2187, 12794), (4374, 6397)]