213299073

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 351624000

約数和(自身を除く): 138324927

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 229, 247, 419, 687, 741, 1257, 2061, 2223, 2977, 3771, 4351, 5447, 7961, 8931, 13053, 16341, 23883, 26793, 39159, 49023, 56563, 71649, 95951, 103493, 169689, 287853, 310479, 509067, 863559, 931437, 1247363, 1823069, 3742089, 5469207, 11226267, 16407621, 23699897, 71099691, 213299073]

約数ペア:

[(1, 213299073), (3, 71099691), (9, 23699897), (13, 16407621), (19, 11226267), (39, 5469207), (57, 3742089), (117, 1823069), (171, 1247363), (229, 931437), (247, 863559), (419, 509067), (687, 310479), (741, 287853), (1257, 169689), (2061, 103493), (2223, 95951), (2977, 71649), (3771, 56563), (4351, 49023), (5447, 39159), (7961, 26793), (8931, 23883), (13053, 16341)]