80490087

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 130403520

約数和(自身を除く): 49913433

約数列:

[1, 3, 9, 17, 23, 51, 69, 89, 153, 207, 257, 267, 391, 771, 801, 1173, 1513, 2047, 2313, 3519, 4369, 4539, 5911, 6141, 13107, 13617, 17733, 18423, 22873, 34799, 39321, 53199, 68619, 100487, 104397, 205857, 301461, 313191, 388841, 526079, 904383, 1166523, 1578237, 3499569, 4734711, 8943343, 26830029, 80490087]

約数ペア:

[(1, 80490087), (3, 26830029), (9, 8943343), (17, 4734711), (23, 3499569), (51, 1578237), (69, 1166523), (89, 904383), (153, 526079), (207, 388841), (257, 313191), (267, 301461), (391, 205857), (771, 104397), (801, 100487), (1173, 68619), (1513, 53199), (2047, 39321), (2313, 34799), (3519, 22873), (4369, 18423), (4539, 17733), (5911, 13617), (6141, 13107)]