71831655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1399}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 143270400

約数和(自身を除く): 71438745

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 163, 315, 489, 815, 1141, 1399, 1467, 2445, 3423, 4197, 5705, 6995, 7335, 9793, 10269, 12591, 17115, 20985, 29379, 48965, 51345, 62955, 88137, 146895, 228037, 440685, 684111, 1140185, 1596259, 2052333, 3420555, 4788777, 7981295, 10261665, 14366331, 23943885, 71831655]

約数ペア:

[(1, 71831655), (3, 23943885), (5, 14366331), (7, 10261665), (9, 7981295), (15, 4788777), (21, 3420555), (35, 2052333), (45, 1596259), (63, 1140185), (105, 684111), (163, 440685), (315, 228037), (489, 146895), (815, 88137), (1141, 62955), (1399, 51345), (1467, 48965), (2445, 29379), (3423, 20985), (4197, 17115), (5705, 12591), (6995, 10269), (7335, 9793)]