2217778857

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9127}}^1$

素因数の和:9195

約数の個数: 72

約数和(自身を含む): 4058308800

約数和(自身を除く): 1840529943

約数列:

[1, 3, 7, 9, 19, 21, 29, 49, 57, 63, 87, 133, 147, 171, 203, 261, 399, 441, 551, 609, 931, 1197, 1421, 1653, 1827, 2793, 3857, 4263, 4959, 8379, 9127, 11571, 12789, 26999, 27381, 34713, 63889, 80997, 82143, 173413, 191667, 242991, 264683, 447223, 520239, 575001, 794049, 1213891, 1341669, 1560717, 1852781, 2382147, 3641673, 4025007, 5028977, 5558343, 8497237, 10925019, 12969467, 15086931, 16675029, 25491711, 35202839, 38908401, 45260793, 76475133, 105608517, 116725203, 246419873, 316825551, 739259619, 2217778857]

約数ペア:

[(1, 2217778857), (3, 739259619), (7, 316825551), (9, 246419873), (19, 116725203), (21, 105608517), (29, 76475133), (49, 45260793), (57, 38908401), (63, 35202839), (87, 25491711), (133, 16675029), (147, 15086931), (171, 12969467), (203, 10925019), (261, 8497237), (399, 5558343), (441, 5028977), (551, 4025007), (609, 3641673), (931, 2382147), (1197, 1852781), (1421, 1560717), (1653, 1341669), (1827, 1213891), (2793, 794049), (3857, 575001), (4263, 520239), (4959, 447223), (8379, 264683), (9127, 242991), (11571, 191667), (12789, 173413), (26999, 82143), (27381, 80997), (34713, 63889)]