80931669

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 140034048

約数和(自身を除く): 59102379

約数列:

[1, 3, 7, 13, 21, 31, 39, 73, 91, 93, 131, 217, 219, 273, 393, 403, 511, 651, 917, 949, 1209, 1533, 1703, 2263, 2751, 2821, 2847, 4061, 5109, 6643, 6789, 8463, 9563, 11921, 12183, 15841, 19929, 28427, 28689, 29419, 35763, 47523, 52793, 66941, 85281, 88257, 124319, 158379, 200823, 205933, 296453, 369551, 372957, 617799, 870233, 889359, 1108653, 2075171, 2610699, 3853889, 6225513, 11561667, 26977223, 80931669]

約数ペア:

[(1, 80931669), (3, 26977223), (7, 11561667), (13, 6225513), (21, 3853889), (31, 2610699), (39, 2075171), (73, 1108653), (91, 889359), (93, 870233), (131, 617799), (217, 372957), (219, 369551), (273, 296453), (393, 205933), (403, 200823), (511, 158379), (651, 124319), (917, 88257), (949, 85281), (1209, 66941), (1533, 52793), (1703, 47523), (2263, 35763), (2751, 29419), (2821, 28689), (2847, 28427), (4061, 19929), (5109, 15841), (6643, 12183), (6789, 11921), (8463, 9563)]