81053925

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 140699328

約数和(自身を除く): 59645403

約数列:

[1, 3, 5, 15, 25, 41, 43, 75, 123, 129, 205, 215, 613, 615, 645, 1025, 1075, 1763, 1839, 3065, 3075, 3225, 5289, 8815, 9195, 15325, 25133, 26359, 26445, 44075, 45975, 75399, 79077, 125665, 131795, 132225, 376995, 395385, 628325, 658975, 1080719, 1884975, 1976925, 3242157, 5403595, 16210785, 27017975, 81053925]

約数ペア:

[(1, 81053925), (3, 27017975), (5, 16210785), (15, 5403595), (25, 3242157), (41, 1976925), (43, 1884975), (75, 1080719), (123, 658975), (129, 628325), (205, 395385), (215, 376995), (613, 132225), (615, 131795), (645, 125665), (1025, 79077), (1075, 75399), (1763, 45975), (1839, 44075), (3065, 26445), (3075, 26359), (3225, 25133), (5289, 15325), (8815, 9195)]