22240071

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 40547520

約数和(自身を除く): 18307449

約数列:

[1, 3, 7, 9, 21, 29, 37, 47, 49, 63, 87, 111, 141, 147, 203, 259, 261, 329, 333, 423, 441, 609, 777, 987, 1073, 1363, 1421, 1739, 1813, 1827, 2303, 2331, 2961, 3219, 4089, 4263, 5217, 5439, 6909, 7511, 9541, 9657, 12173, 12267, 12789, 15651, 16317, 20727, 22533, 28623, 36519, 50431, 52577, 66787, 67599, 85211, 85869, 109557, 151293, 157731, 200361, 255633, 353017, 453879, 473193, 601083, 766899, 1059051, 2471119, 3177153, 7413357, 22240071]

約数ペア:

[(1, 22240071), (3, 7413357), (7, 3177153), (9, 2471119), (21, 1059051), (29, 766899), (37, 601083), (47, 473193), (49, 453879), (63, 353017), (87, 255633), (111, 200361), (141, 157731), (147, 151293), (203, 109557), (259, 85869), (261, 85211), (329, 67599), (333, 66787), (423, 52577), (441, 50431), (609, 36519), (777, 28623), (987, 22533), (1073, 20727), (1363, 16317), (1421, 15651), (1739, 12789), (1813, 12267), (1827, 12173), (2303, 9657), (2331, 9541), (2961, 7511), (3219, 6909), (4089, 5439), (4263, 5217)]