216227781

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{613}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 390798720

約数和(自身を除く): 174570939

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 509, 613, 693, 1527, 1839, 3563, 4291, 4581, 5517, 5599, 6743, 10689, 12873, 16797, 20229, 32067, 38619, 39193, 47201, 50391, 60687, 117579, 141603, 312017, 352737, 424809, 936051, 2184119, 2808153, 3432187, 6552357, 10296561, 19657071, 24025309, 30889683, 72075927, 216227781]

約数ペア:

[(1, 216227781), (3, 72075927), (7, 30889683), (9, 24025309), (11, 19657071), (21, 10296561), (33, 6552357), (63, 3432187), (77, 2808153), (99, 2184119), (231, 936051), (509, 424809), (613, 352737), (693, 312017), (1527, 141603), (1839, 117579), (3563, 60687), (4291, 50391), (4581, 47201), (5517, 39193), (5599, 38619), (6743, 32067), (10689, 20229), (12873, 16797)]