15221985

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27427}}^1$

素因数の和:27472

約数の個数: 16

約数和(自身を含む): 25014336

約数和(自身を除く): 9792351

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 27427, 82281, 137135, 411405, 1014799, 3044397, 5073995, 15221985]

約数ペア:

[(1, 15221985), (3, 5073995), (5, 3044397), (15, 1014799), (37, 411405), (111, 137135), (185, 82281), (555, 27427)]