217917441

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10709}}^1$

素因数の和:10758

約数の個数: 48

約数和(自身を含む): 400982400

約数和(自身を除く): 183064959

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 2261, 2907, 6783, 10709, 20349, 32127, 74963, 96381, 182053, 203471, 224889, 546159, 610413, 674667, 1274371, 1424297, 1638477, 1831239, 3459007, 3823113, 4272891, 10377021, 11469339, 12818673, 24213049, 31131063, 72639147, 217917441]

約数ペア:

[(1, 217917441), (3, 72639147), (7, 31131063), (9, 24213049), (17, 12818673), (19, 11469339), (21, 10377021), (51, 4272891), (57, 3823113), (63, 3459007), (119, 1831239), (133, 1638477), (153, 1424297), (171, 1274371), (323, 674667), (357, 610413), (399, 546159), (969, 224889), (1071, 203471), (1197, 182053), (2261, 96381), (2907, 74963), (6783, 32127), (10709, 20349)]