123980129

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 159989760

約数和(自身を除く): 36009631

約数列:

[1, 7, 13, 31, 71, 91, 217, 403, 497, 619, 923, 2201, 2821, 4333, 6461, 8047, 15407, 19189, 28613, 43949, 56329, 134323, 200291, 249457, 307643, 571337, 1362419, 1746199, 3999359, 9536933, 17711447, 123980129]

約数ペア:

[(1, 123980129), (7, 17711447), (13, 9536933), (31, 3999359), (71, 1746199), (91, 1362419), (217, 571337), (403, 307643), (497, 249457), (619, 200291), (923, 134323), (2201, 56329), (2821, 43949), (4333, 28613), (6461, 19189), (8047, 15407)]