15121557

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 25833600

約数和(自身を除く): 10712043

約数列:

[1, 3, 9, 11, 23, 29, 33, 69, 87, 99, 207, 229, 253, 261, 319, 667, 687, 759, 957, 2001, 2061, 2277, 2519, 2871, 5267, 6003, 6641, 7337, 7557, 15801, 19923, 22011, 22671, 47403, 57937, 59769, 66033, 73051, 152743, 173811, 219153, 458229, 521433, 657459, 1374687, 1680173, 5040519, 15121557]

約数ペア:

[(1, 15121557), (3, 5040519), (9, 1680173), (11, 1374687), (23, 657459), (29, 521433), (33, 458229), (69, 219153), (87, 173811), (99, 152743), (207, 73051), (229, 66033), (253, 59769), (261, 57937), (319, 47403), (667, 22671), (687, 22011), (759, 19923), (957, 15801), (2001, 7557), (2061, 7337), (2277, 6641), (2519, 6003), (2871, 5267)]