54396321

素因数分解:

$3^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{727}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 84651840

約数和(自身を除く): 30255519

約数列:

[1, 3, 7, 21, 49, 147, 509, 727, 1527, 2181, 3563, 5089, 10689, 15267, 24941, 35623, 74823, 106869, 370043, 1110129, 2590301, 7770903, 18132107, 54396321]

約数ペア:

[(1, 54396321), (3, 18132107), (7, 7770903), (21, 2590301), (49, 1110129), (147, 370043), (509, 106869), (727, 74823), (1527, 35623), (2181, 24941), (3563, 15267), (5089, 10689)]