89986905

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 160902144

約数和(自身を除く): 70915239

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 157, 235, 271, 423, 471, 705, 785, 813, 1355, 1413, 2115, 2355, 2439, 4065, 7065, 7379, 12195, 12737, 22137, 36895, 38211, 42547, 63685, 66411, 110685, 114633, 127641, 191055, 212735, 332055, 382923, 573165, 638205, 1914615, 1999709, 5999127, 9998545, 17997381, 29995635, 89986905]

約数ペア:

[(1, 89986905), (3, 29995635), (5, 17997381), (9, 9998545), (15, 5999127), (45, 1999709), (47, 1914615), (141, 638205), (157, 573165), (235, 382923), (271, 332055), (423, 212735), (471, 191055), (705, 127641), (785, 114633), (813, 110685), (1355, 66411), (1413, 63685), (2115, 42547), (2355, 38211), (2439, 36895), (4065, 22137), (7065, 12737), (7379, 12195)]