219961413

素因数分解:

$3^5\times 7^1\times {\mathrm{129313}}^1$

素因数の和:129335

約数の個数: 24

約数和(自身を含む): 376562368

約数和(自身を除く): 156600955

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 129313, 387939, 905191, 1163817, 2715573, 3491451, 8146719, 10474353, 24440157, 31423059, 73320471, 219961413]

約数ペア:

[(1, 219961413), (3, 73320471), (7, 31423059), (9, 24440157), (21, 10474353), (27, 8146719), (63, 3491451), (81, 2715573), (189, 1163817), (243, 905191), (567, 387939), (1701, 129313)]