128532015

素因数分解:

$3^4\times 5^1\times {\mathrm{317363}}^1$

素因数の和:317380

約数の個数: 20

約数和(自身を含む): 230406264

約数和(自身を除く): 101874249

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 317363, 952089, 1586815, 2856267, 4760445, 8568801, 14281335, 25706403, 42844005, 128532015]

約数ペア:

[(1, 128532015), (3, 42844005), (5, 25706403), (9, 14281335), (15, 8568801), (27, 4760445), (45, 2856267), (81, 1586815), (135, 952089), (405, 317363)]