15978249

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4973}}^1$

素因数の和:5006

約数の個数: 32

約数和(自身を含む): 28650240

約数和(自身を除く): 12671991

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 4973, 14919, 34811, 44757, 84541, 104433, 134271, 253623, 313299, 591787, 760869, 939897, 1775361, 2282607, 5326083, 15978249]

約数ペア:

[(1, 15978249), (3, 5326083), (7, 2282607), (9, 1775361), (17, 939897), (21, 760869), (27, 591787), (51, 313299), (63, 253623), (119, 134271), (153, 104433), (189, 84541), (357, 44757), (459, 34811), (1071, 14919), (3213, 4973)]