26698287

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 48518400

約数和(自身を除く): 21820113

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 79, 121, 133, 147, 209, 231, 237, 363, 399, 539, 553, 627, 847, 869, 931, 1463, 1501, 1617, 1659, 2299, 2541, 2607, 2793, 3871, 4389, 4503, 5929, 6083, 6897, 9559, 10241, 10507, 11613, 16093, 16511, 17787, 18249, 28677, 30723, 31521, 42581, 48279, 49533, 66913, 73549, 112651, 115577, 127743, 181621, 200739, 220647, 337953, 346731, 468391, 544863, 809039, 1271347, 1405173, 2427117, 3814041, 8899429, 26698287]

約数ペア:

[(1, 26698287), (3, 8899429), (7, 3814041), (11, 2427117), (19, 1405173), (21, 1271347), (33, 809039), (49, 544863), (57, 468391), (77, 346731), (79, 337953), (121, 220647), (133, 200739), (147, 181621), (209, 127743), (231, 115577), (237, 112651), (363, 73549), (399, 66913), (539, 49533), (553, 48279), (627, 42581), (847, 31521), (869, 30723), (931, 28677), (1463, 18249), (1501, 17787), (1617, 16511), (1659, 16093), (2299, 11613), (2541, 10507), (2607, 10241), (2793, 9559), (3871, 6897), (4389, 6083), (4503, 5929)]