209611921

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1543}}^1$

素因数の和:1752

約数の個数: 16

約数和(自身を含む): 227449728

約数和(自身を除く): 17837807

約数列:

[1, 17, 61, 131, 1037, 1543, 2227, 7991, 26231, 94123, 135847, 202133, 1600091, 3436261, 12330113, 209611921]

約数ペア:

[(1, 209611921), (17, 12330113), (61, 3436261), (131, 1600091), (1037, 202133), (1543, 135847), (2227, 94123), (7991, 26231)]