209919633

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{82613}}^1$

素因数の和:82645

約数の個数: 24

約数和(自身を含む): 351605184

約数和(自身を除く): 141685551

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 82613, 247839, 578291, 908743, 1734873, 2726229, 6361201, 9996173, 19083603, 29988519, 69973211, 209919633]

約数ペア:

[(1, 209919633), (3, 69973211), (7, 29988519), (11, 19083603), (21, 9996173), (33, 6361201), (77, 2726229), (121, 1734873), (231, 908743), (363, 578291), (847, 247839), (2541, 82613)]