207960207

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10729}}^1$

素因数の和:10823

約数の個数: 32

約数和(自身を含む): 346106880

約数和(自身を除く): 138146673

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 6461, 10729, 19383, 32187, 75103, 139477, 225309, 418431, 761759, 976339, 2285277, 2929017, 5332313, 9902867, 15996939, 29708601, 69320069, 207960207]

約数ペア:

[(1, 207960207), (3, 69320069), (7, 29708601), (13, 15996939), (21, 9902867), (39, 5332313), (71, 2929017), (91, 2285277), (213, 976339), (273, 761759), (497, 418431), (923, 225309), (1491, 139477), (2769, 75103), (6461, 32187), (10729, 19383)]