4891971

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 8045568

約数和(自身を除く): 3153597

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 193, 213, 357, 497, 579, 1207, 1351, 1491, 3281, 3621, 4053, 8449, 9843, 13703, 22967, 25347, 41109, 68901, 95921, 232951, 287763, 698853, 1630657, 4891971]

約数ペア:

[(1, 4891971), (3, 1630657), (7, 698853), (17, 287763), (21, 232951), (51, 95921), (71, 68901), (119, 41109), (193, 25347), (213, 22967), (357, 13703), (497, 9843), (579, 8449), (1207, 4053), (1351, 3621), (1491, 3281)]