17980713

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 28607488

約数和(自身を除く): 10626775

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 223, 279, 289, 527, 669, 867, 1581, 2007, 2601, 3791, 4743, 6913, 8959, 11373, 20739, 26877, 34119, 62217, 64447, 80631, 117521, 193341, 352563, 580023, 1057689, 1997857, 5993571, 17980713]

約数ペア:

[(1, 17980713), (3, 5993571), (9, 1997857), (17, 1057689), (31, 580023), (51, 352563), (93, 193341), (153, 117521), (223, 80631), (279, 64447), (289, 62217), (527, 34119), (669, 26877), (867, 20739), (1581, 11373), (2007, 8959), (2601, 6913), (3791, 4743)]