8216985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 15160320

約数和(自身を除く): 6943335

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 417, 563, 695, 973, 1689, 2085, 2815, 2919, 3941, 4865, 8445, 11823, 14595, 19705, 59115, 78257, 234771, 391285, 547799, 1173855, 1643397, 2738995, 8216985]

約数ペア:

[(1, 8216985), (3, 2738995), (5, 1643397), (7, 1173855), (15, 547799), (21, 391285), (35, 234771), (105, 78257), (139, 59115), (417, 19705), (563, 14595), (695, 11823), (973, 8445), (1689, 4865), (2085, 3941), (2815, 2919)]