16005915

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{887}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 27844128

約数和(自身を除く): 11838213

約数列:

[1, 3, 5, 9, 15, 45, 401, 887, 1203, 2005, 2661, 3609, 4435, 6015, 7983, 13305, 18045, 39915, 355687, 1067061, 1778435, 3201183, 5335305, 16005915]

約数ペア:

[(1, 16005915), (3, 5335305), (5, 3201183), (9, 1778435), (15, 1067061), (45, 355687), (401, 39915), (887, 18045), (1203, 13305), (2005, 7983), (2661, 6015), (3609, 4435)]