217876857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{18289}}^1$

素因数の和:18341

約数の個数: 24

約数和(自身を含む): 334487520

約数和(自身を除く): 116610663

約数列:

[1, 3, 11, 19, 33, 57, 209, 361, 627, 1083, 3971, 11913, 18289, 54867, 201179, 347491, 603537, 1042473, 3822401, 6602329, 11467203, 19806987, 72625619, 217876857]

約数ペア:

[(1, 217876857), (3, 72625619), (11, 19806987), (19, 11467203), (33, 6602329), (57, 3822401), (209, 1042473), (361, 603537), (627, 347491), (1083, 201179), (3971, 54867), (11913, 18289)]