25282005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 47667840

約数和(自身を除く): 22385835

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 109, 141, 235, 327, 329, 545, 705, 763, 987, 1635, 1645, 2209, 2289, 3815, 4935, 5123, 6627, 11045, 11445, 15369, 15463, 25615, 33135, 35861, 46389, 76845, 77315, 107583, 179305, 231945, 240781, 537915, 722343, 1203905, 1685467, 3611715, 5056401, 8427335, 25282005]

約数ペア:

[(1, 25282005), (3, 8427335), (5, 5056401), (7, 3611715), (15, 1685467), (21, 1203905), (35, 722343), (47, 537915), (105, 240781), (109, 231945), (141, 179305), (235, 107583), (327, 77315), (329, 76845), (545, 46389), (705, 35861), (763, 33135), (987, 25615), (1635, 15463), (1645, 15369), (2209, 11445), (2289, 11045), (3815, 6627), (4935, 5123)]