9878869

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 13547520

約数和(自身を除く): 3668651

約数列:

[1, 7, 11, 13, 71, 77, 91, 139, 143, 497, 781, 923, 973, 1001, 1529, 1807, 5467, 6461, 9869, 10153, 10703, 12649, 19877, 69083, 71071, 108559, 128297, 139139, 759913, 898079, 1411267, 9878869]

約数ペア:

[(1, 9878869), (7, 1411267), (11, 898079), (13, 759913), (71, 139139), (77, 128297), (91, 108559), (139, 71071), (143, 69083), (497, 19877), (781, 12649), (923, 10703), (973, 10153), (1001, 9869), (1529, 6461), (1807, 5467)]