25233219

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 44815680

約数和(自身を除く): 19582461

約数列:

[1, 3, 9, 11, 17, 29, 33, 47, 51, 87, 99, 121, 141, 153, 187, 261, 319, 363, 423, 493, 517, 561, 799, 957, 1089, 1363, 1479, 1551, 1683, 2057, 2397, 2871, 3509, 4089, 4437, 4653, 5423, 5687, 6171, 7191, 8789, 10527, 12267, 14993, 16269, 17061, 18513, 23171, 26367, 31581, 44979, 48807, 51183, 59653, 69513, 79101, 96679, 134937, 164923, 178959, 208539, 254881, 290037, 494769, 536877, 764643, 870111, 1484307, 2293929, 2803691, 8411073, 25233219]

約数ペア:

[(1, 25233219), (3, 8411073), (9, 2803691), (11, 2293929), (17, 1484307), (29, 870111), (33, 764643), (47, 536877), (51, 494769), (87, 290037), (99, 254881), (121, 208539), (141, 178959), (153, 164923), (187, 134937), (261, 96679), (319, 79101), (363, 69513), (423, 59653), (493, 51183), (517, 48807), (561, 44979), (799, 31581), (957, 26367), (1089, 23171), (1363, 18513), (1479, 17061), (1551, 16269), (1683, 14993), (2057, 12267), (2397, 10527), (2871, 8789), (3509, 7191), (4089, 6171), (4437, 5687), (4653, 5423)]