18089001

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:603

約数の個数: 40

約数和(自身を含む): 31448384

約数和(自身を除く): 13359383

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 523, 549, 567, 1281, 1569, 1647, 3661, 3843, 4707, 4941, 10983, 11529, 14121, 31903, 32949, 34587, 42363, 95709, 98847, 223321, 287127, 296541, 669963, 861381, 2009889, 2584143, 6029667, 18089001]

約数ペア:

[(1, 18089001), (3, 6029667), (7, 2584143), (9, 2009889), (21, 861381), (27, 669963), (61, 296541), (63, 287127), (81, 223321), (183, 98847), (189, 95709), (427, 42363), (523, 34587), (549, 32949), (567, 31903), (1281, 14121), (1569, 11529), (1647, 10983), (3661, 4941), (3843, 4707)]