39961215

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{863}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 82944000

約数和(自身を除く): 42982785

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 343, 441, 735, 863, 945, 1029, 1323, 1715, 2205, 2589, 3087, 4315, 5145, 6041, 6615, 7767, 9261, 12945, 15435, 18123, 23301, 30205, 38835, 42287, 46305, 54369, 90615, 116505, 126861, 163107, 211435, 271845, 296009, 380583, 634305, 815535, 888027, 1141749, 1480045, 1902915, 2664081, 4440135, 5708745, 7992243, 13320405, 39961215]

約数ペア:

[(1, 39961215), (3, 13320405), (5, 7992243), (7, 5708745), (9, 4440135), (15, 2664081), (21, 1902915), (27, 1480045), (35, 1141749), (45, 888027), (49, 815535), (63, 634305), (105, 380583), (135, 296009), (147, 271845), (189, 211435), (245, 163107), (315, 126861), (343, 116505), (441, 90615), (735, 54369), (863, 46305), (945, 42287), (1029, 38835), (1323, 30205), (1715, 23301), (2205, 18123), (2589, 15435), (3087, 12945), (4315, 9261), (5145, 7767), (6041, 6615)]