12987135

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{509}}^1$

素因数の和:539

約数の個数: 56

約数和(自身を含む): 26756640

約数和(自身を除く): 13769505

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 509, 567, 729, 945, 1215, 1527, 1701, 2545, 2835, 3563, 3645, 4581, 5103, 7635, 8505, 10689, 13743, 17815, 22905, 25515, 32067, 41229, 53445, 68715, 96201, 123687, 160335, 206145, 288603, 371061, 481005, 618435, 865809, 1443015, 1855305, 2597427, 4329045, 12987135]

約数ペア:

[(1, 12987135), (3, 4329045), (5, 2597427), (7, 1855305), (9, 1443015), (15, 865809), (21, 618435), (27, 481005), (35, 371061), (45, 288603), (63, 206145), (81, 160335), (105, 123687), (135, 96201), (189, 68715), (243, 53445), (315, 41229), (405, 32067), (509, 25515), (567, 22905), (729, 17815), (945, 13743), (1215, 10689), (1527, 8505), (1701, 7635), (2545, 5103), (2835, 4581), (3563, 3645)]