25401345

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 42142464

約数和(自身を除く): 16741119

約数列:

[1, 3, 5, 15, 41, 103, 123, 205, 309, 401, 515, 615, 1203, 1545, 2005, 4223, 6015, 12669, 16441, 21115, 41303, 49323, 63345, 82205, 123909, 206515, 246615, 619545, 1693423, 5080269, 8467115, 25401345]

約数ペア:

[(1, 25401345), (3, 8467115), (5, 5080269), (15, 1693423), (41, 619545), (103, 246615), (123, 206515), (205, 123909), (309, 82205), (401, 63345), (515, 49323), (615, 41303), (1203, 21115), (1545, 16441), (2005, 12669), (4223, 6015)]