28274565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 25639035

約数列:

[1, 3, 5, 11, 15, 19, 29, 33, 55, 57, 87, 95, 145, 165, 209, 285, 311, 319, 435, 551, 627, 933, 957, 1045, 1555, 1595, 1653, 2755, 3135, 3421, 4665, 4785, 5909, 6061, 8265, 9019, 10263, 17105, 17727, 18183, 27057, 29545, 30305, 45095, 51315, 64999, 88635, 90915, 99209, 135285, 171361, 194997, 297627, 324995, 496045, 514083, 856805, 974985, 1488135, 1884971, 2570415, 5654913, 9424855, 28274565]

約数ペア:

[(1, 28274565), (3, 9424855), (5, 5654913), (11, 2570415), (15, 1884971), (19, 1488135), (29, 974985), (33, 856805), (55, 514083), (57, 496045), (87, 324995), (95, 297627), (145, 194997), (165, 171361), (209, 135285), (285, 99209), (311, 90915), (319, 88635), (435, 64999), (551, 51315), (627, 45095), (933, 30305), (957, 29545), (1045, 27057), (1555, 18183), (1595, 17727), (1653, 17105), (2755, 10263), (3135, 9019), (3421, 8265), (4665, 6061), (4785, 5909)]