215048973

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 309821440

約数和(自身を除く): 94772467

約数列:

[1, 3, 19, 57, 61, 127, 183, 381, 487, 1159, 1461, 2413, 3477, 7239, 7747, 9253, 23241, 27759, 29707, 61849, 89121, 147193, 185547, 441579, 564433, 1175131, 1693299, 3525393, 3772789, 11318367, 71682991, 215048973]

約数ペア:

[(1, 215048973), (3, 71682991), (19, 11318367), (57, 3772789), (61, 3525393), (127, 1693299), (183, 1175131), (381, 564433), (487, 441579), (1159, 185547), (1461, 147193), (2413, 89121), (3477, 61849), (7239, 29707), (7747, 27759), (9253, 23241)]