219664143

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{12161}}^1$

素因数の和:12396

約数の個数: 20

約数和(自身を含む): 329638848

約数和(自身を除く): 109974705

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 6021, 12161, 18063, 36483, 109449, 328347, 985041, 2711903, 8135709, 24407127, 73221381, 219664143]

約数ペア:

[(1, 219664143), (3, 73221381), (9, 24407127), (27, 8135709), (81, 2711903), (223, 985041), (669, 328347), (2007, 109449), (6021, 36483), (12161, 18063)]