90004719

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 148072320

約数和(自身を除く): 58067601

約数列:

[1, 3, 7, 21, 29, 43, 49, 87, 129, 147, 203, 301, 491, 609, 903, 1247, 1421, 1473, 2107, 3437, 3741, 4263, 6321, 8729, 10311, 14239, 21113, 24059, 26187, 42717, 61103, 63339, 72177, 99673, 147791, 183309, 299019, 443373, 612277, 697711, 1034537, 1836831, 2093133, 3103611, 4285939, 12857817, 30001573, 90004719]

約数ペア:

[(1, 90004719), (3, 30001573), (7, 12857817), (21, 4285939), (29, 3103611), (43, 2093133), (49, 1836831), (87, 1034537), (129, 697711), (147, 612277), (203, 443373), (301, 299019), (491, 183309), (609, 147791), (903, 99673), (1247, 72177), (1421, 63339), (1473, 61103), (2107, 42717), (3437, 26187), (3741, 24059), (4263, 21113), (6321, 14239), (8729, 10311)]