425231289

素因数分解:

$3^5\times 7^1\times {\mathrm{249989}}^1$

素因数の和:250011

約数の個数: 24

約数和(自身を含む): 727970880

約数和(自身を除く): 302739591

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 249989, 749967, 1749923, 2249901, 5249769, 6749703, 15749307, 20249109, 47247921, 60747327, 141743763, 425231289]

約数ペア:

[(1, 425231289), (3, 141743763), (7, 60747327), (9, 47247921), (21, 20249109), (27, 15749307), (63, 6749703), (81, 5249769), (189, 2249901), (243, 1749923), (567, 749967), (1701, 249989)]