78937749

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 137928960

約数和(自身を除く): 58991211

約数列:

[1, 3, 9, 11, 17, 31, 33, 51, 89, 93, 99, 153, 187, 267, 279, 289, 341, 527, 561, 801, 867, 979, 1023, 1513, 1581, 1683, 2601, 2759, 2937, 3069, 3179, 4539, 4743, 5797, 8277, 8811, 8959, 9537, 13617, 16643, 17391, 24831, 25721, 26877, 28611, 30349, 46903, 49929, 52173, 77163, 80631, 91047, 98549, 140709, 149787, 231489, 273141, 282931, 295647, 422127, 515933, 797351, 848793, 886941, 1547799, 2392053, 2546379, 4643397, 7176159, 8770861, 26312583, 78937749]

約数ペア:

[(1, 78937749), (3, 26312583), (9, 8770861), (11, 7176159), (17, 4643397), (31, 2546379), (33, 2392053), (51, 1547799), (89, 886941), (93, 848793), (99, 797351), (153, 515933), (187, 422127), (267, 295647), (279, 282931), (289, 273141), (341, 231489), (527, 149787), (561, 140709), (801, 98549), (867, 91047), (979, 80631), (1023, 77163), (1513, 52173), (1581, 49929), (1683, 46903), (2601, 30349), (2759, 28611), (2937, 26877), (3069, 25721), (3179, 24831), (4539, 17391), (4743, 16643), (5797, 13617), (8277, 9537), (8811, 8959)]