15218791

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 19906560

約数和(自身を除く): 4687769

約数列:

[1, 7, 17, 19, 53, 119, 127, 133, 323, 371, 889, 901, 1007, 2159, 2261, 2413, 6307, 6731, 7049, 15113, 16891, 17119, 41021, 47117, 114427, 119833, 127889, 287147, 800989, 895223, 2174113, 15218791]

約数ペア:

[(1, 15218791), (7, 2174113), (17, 895223), (19, 800989), (53, 287147), (119, 127889), (127, 119833), (133, 114427), (323, 47117), (371, 41021), (889, 17119), (901, 16891), (1007, 15113), (2159, 7049), (2261, 6731), (2413, 6307)]