2019980805

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1\times {\mathrm{2963}}^1$

素因数の和:3985

約数の個数: 32

約数和(自身を含む): 3305263104

約数和(自身を除く): 1285282299

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 967, 2901, 2963, 4835, 8889, 14505, 14815, 44445, 45449, 136347, 139261, 227245, 417783, 681735, 696305, 2088915, 2865221, 8595663, 14326105, 42978315, 134665387, 403996161, 673326935, 2019980805]

約数ペア:

[(1, 2019980805), (3, 673326935), (5, 403996161), (15, 134665387), (47, 42978315), (141, 14326105), (235, 8595663), (705, 2865221), (967, 2088915), (2901, 696305), (2963, 681735), (4835, 417783), (8889, 227245), (14505, 139261), (14815, 136347), (44445, 45449)]