16891917

素因数分解:

$3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{761}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 26407872

約数和(自身を除く): 9515955

約数列:

[1, 3, 7, 21, 49, 147, 151, 453, 761, 1057, 2283, 3171, 5327, 7399, 15981, 22197, 37289, 111867, 114911, 344733, 804377, 2413131, 5630639, 16891917]

約数ペア:

[(1, 16891917), (3, 5630639), (7, 2413131), (21, 804377), (49, 344733), (147, 114911), (151, 111867), (453, 37289), (761, 22197), (1057, 15981), (2283, 7399), (3171, 5327)]