210891109

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 258628608

約数和(自身を除く): 47737499

約数列:

[1, 11, 13, 31, 113, 143, 341, 403, 421, 1243, 1469, 3503, 4433, 4631, 5473, 13051, 16159, 38533, 45539, 47573, 60203, 143561, 169663, 500929, 523303, 618449, 1474763, 1866293, 6802939, 16222393, 19171919, 210891109]

約数ペア:

[(1, 210891109), (11, 19171919), (13, 16222393), (31, 6802939), (113, 1866293), (143, 1474763), (341, 618449), (403, 523303), (421, 500929), (1243, 169663), (1469, 143561), (3503, 60203), (4433, 47573), (4631, 45539), (5473, 38533), (13051, 16159)]