2253979

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 32

約数和(自身を含む): 3096576

約数和(自身を除く): 842597

約数列:

[1, 7, 13, 17, 31, 47, 91, 119, 217, 221, 329, 403, 527, 611, 799, 1457, 1547, 2821, 3689, 4277, 5593, 6851, 10199, 10387, 18941, 24769, 47957, 72709, 132587, 173383, 321997, 2253979]

約数ペア:

[(1, 2253979), (7, 321997), (13, 173383), (17, 132587), (31, 72709), (47, 47957), (91, 24769), (119, 18941), (217, 10387), (221, 10199), (329, 6851), (403, 5593), (527, 4277), (611, 3689), (799, 2821), (1457, 1547)]