1681036721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{35053}}^1$

素因数の和:35121

約数の個数: 32

約数和(自身を含む): 2261403648

約数和(自身を除く): 580366927

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 1547, 2821, 3689, 6851, 35053, 47957, 245371, 455689, 595901, 1086643, 3189823, 4171307, 7606501, 7746713, 14126359, 18472931, 54226991, 98884513, 129310517, 240148103, 1681036721]

約数ペア:

[(1, 1681036721), (7, 240148103), (13, 129310517), (17, 98884513), (31, 54226991), (91, 18472931), (119, 14126359), (217, 7746713), (221, 7606501), (403, 4171307), (527, 3189823), (1547, 1086643), (2821, 595901), (3689, 455689), (6851, 245371), (35053, 47957)]