81552015

素因数分解:

$3^5\times 5^1\times {\mathrm{67121}}^1$

素因数の和:67141

約数の個数: 24

約数和(自身を含む): 146594448

約数和(自身を除く): 65042433

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 67121, 201363, 335605, 604089, 1006815, 1812267, 3020445, 5436801, 9061335, 16310403, 27184005, 81552015]

約数ペア:

[(1, 81552015), (3, 27184005), (5, 16310403), (9, 9061335), (15, 5436801), (27, 3020445), (45, 1812267), (81, 1006815), (135, 604089), (243, 335605), (405, 201363), (1215, 67121)]