216664371

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 422143488

約数和(自身を除く): 205479117

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 53, 63, 77, 99, 119, 153, 159, 187, 231, 347, 357, 371, 477, 561, 583, 693, 901, 1041, 1071, 1113, 1309, 1683, 1749, 2429, 2703, 3123, 3339, 3817, 3927, 4081, 5247, 5899, 6307, 7287, 8109, 9911, 11451, 11781, 12243, 17697, 18391, 18921, 21861, 26719, 29733, 34353, 36729, 41293, 53091, 55173, 56763, 64889, 69377, 80157, 89199, 123879, 128737, 165519, 194667, 202301, 208131, 240471, 312647, 371637, 386211, 454223, 584001, 606903, 624393, 937941, 1158633, 1362669, 1416107, 1820709, 2188529, 2813823, 3439117, 4088007, 4248321, 6565587, 10317351, 12744963, 19696761, 24073819, 30952053, 72221457, 216664371]

約数ペア:

[(1, 216664371), (3, 72221457), (7, 30952053), (9, 24073819), (11, 19696761), (17, 12744963), (21, 10317351), (33, 6565587), (51, 4248321), (53, 4088007), (63, 3439117), (77, 2813823), (99, 2188529), (119, 1820709), (153, 1416107), (159, 1362669), (187, 1158633), (231, 937941), (347, 624393), (357, 606903), (371, 584001), (477, 454223), (561, 386211), (583, 371637), (693, 312647), (901, 240471), (1041, 208131), (1071, 202301), (1113, 194667), (1309, 165519), (1683, 128737), (1749, 123879), (2429, 89199), (2703, 80157), (3123, 69377), (3339, 64889), (3817, 56763), (3927, 55173), (4081, 53091), (5247, 41293), (5899, 36729), (6307, 34353), (7287, 29733), (8109, 26719), (9911, 21861), (11451, 18921), (11781, 18391), (12243, 17697)]