15115005

素因数分解:

$3^4\times 5^1\times {\mathrm{37321}}^1$

素因数の和:37338

約数の個数: 20

約数和(自身を含む): 27095772

約数和(自身を除く): 11980767

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 37321, 111963, 186605, 335889, 559815, 1007667, 1679445, 3023001, 5038335, 15115005]

約数ペア:

[(1, 15115005), (3, 5038335), (5, 3023001), (9, 1679445), (15, 1007667), (27, 559815), (45, 335889), (81, 186605), (135, 111963), (405, 37321)]