25227915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 21220725

約数列:

[1, 3, 5, 15, 17, 19, 41, 51, 57, 85, 95, 123, 127, 205, 255, 285, 323, 381, 615, 635, 697, 779, 969, 1615, 1905, 2091, 2159, 2337, 2413, 3485, 3895, 4845, 5207, 6477, 7239, 10455, 10795, 11685, 12065, 13243, 15621, 26035, 32385, 36195, 39729, 41021, 66215, 78105, 88519, 98933, 123063, 198645, 205105, 265557, 296799, 442595, 494665, 615315, 1327785, 1483995, 1681861, 5045583, 8409305, 25227915]

約数ペア:

[(1, 25227915), (3, 8409305), (5, 5045583), (15, 1681861), (17, 1483995), (19, 1327785), (41, 615315), (51, 494665), (57, 442595), (85, 296799), (95, 265557), (123, 205105), (127, 198645), (205, 123063), (255, 98933), (285, 88519), (323, 78105), (381, 66215), (615, 41021), (635, 39729), (697, 36195), (779, 32385), (969, 26035), (1615, 15621), (1905, 13243), (2091, 12065), (2159, 11685), (2337, 10795), (2413, 10455), (3485, 7239), (3895, 6477), (4845, 5207)]