17211397

素因数分解:

$7^3\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 24

約数和(自身を含む): 21336000

約数和(自身を除く): 4124603

約数列:

[1, 7, 19, 49, 133, 139, 343, 361, 931, 973, 2527, 2641, 6517, 6811, 17689, 18487, 47677, 50179, 123823, 129409, 351253, 905863, 2458771, 17211397]

約数ペア:

[(1, 17211397), (7, 2458771), (19, 905863), (49, 351253), (133, 129409), (139, 123823), (343, 50179), (361, 47677), (931, 18487), (973, 17689), (2527, 6811), (2641, 6517)]