28909395

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 23375565

約数列:

[1, 3, 5, 9, 15, 37, 45, 97, 111, 179, 185, 291, 333, 485, 537, 555, 873, 895, 1455, 1611, 1665, 2685, 3589, 4365, 6623, 8055, 10767, 17363, 17945, 19869, 32301, 33115, 52089, 53835, 59607, 86815, 99345, 156267, 161505, 260445, 298035, 642431, 781335, 1927293, 3212155, 5781879, 9636465, 28909395]

約数ペア:

[(1, 28909395), (3, 9636465), (5, 5781879), (9, 3212155), (15, 1927293), (37, 781335), (45, 642431), (97, 298035), (111, 260445), (179, 161505), (185, 156267), (291, 99345), (333, 86815), (485, 59607), (537, 53835), (555, 52089), (873, 33115), (895, 32301), (1455, 19869), (1611, 17945), (1665, 17363), (2685, 10767), (3589, 8055), (4365, 6623)]