81720309

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 134479872

約数和(自身を除く): 52759563

約数列:

[1, 3, 11, 17, 31, 33, 37, 51, 93, 111, 127, 187, 341, 381, 407, 527, 561, 629, 1023, 1147, 1221, 1397, 1581, 1887, 2159, 3441, 3937, 4191, 4699, 5797, 6477, 6919, 11811, 12617, 14097, 17391, 19499, 20757, 23749, 37851, 43307, 51689, 58497, 66929, 71247, 79883, 129921, 145669, 155067, 200787, 214489, 239649, 437007, 643467, 736219, 878713, 1602359, 2208657, 2476373, 2636139, 4807077, 7429119, 27240103, 81720309]

約数ペア:

[(1, 81720309), (3, 27240103), (11, 7429119), (17, 4807077), (31, 2636139), (33, 2476373), (37, 2208657), (51, 1602359), (93, 878713), (111, 736219), (127, 643467), (187, 437007), (341, 239649), (381, 214489), (407, 200787), (527, 155067), (561, 145669), (629, 129921), (1023, 79883), (1147, 71247), (1221, 66929), (1397, 58497), (1581, 51689), (1887, 43307), (2159, 37851), (3441, 23749), (3937, 20757), (4191, 19499), (4699, 17391), (5797, 14097), (6477, 12617), (6919, 11811)]