6668655

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 12760704

約数和(自身を除く): 6092049

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 211, 215, 245, 301, 633, 645, 735, 903, 1055, 1477, 1505, 2107, 3165, 4431, 4515, 6321, 7385, 9073, 10339, 10535, 22155, 27219, 31017, 31605, 45365, 51695, 63511, 136095, 155085, 190533, 317555, 444577, 952665, 1333731, 2222885, 6668655]

約数ペア:

[(1, 6668655), (3, 2222885), (5, 1333731), (7, 952665), (15, 444577), (21, 317555), (35, 190533), (43, 155085), (49, 136095), (105, 63511), (129, 51695), (147, 45365), (211, 31605), (215, 31017), (245, 27219), (301, 22155), (633, 10535), (645, 10339), (735, 9073), (903, 7385), (1055, 6321), (1477, 4515), (1505, 4431), (2107, 3165)]