22991927

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{887}}^1$

素因数の和:947

約数の個数: 18

約数和(自身を含む): 27990648

約数和(自身を除く): 4998721

約数列:

[1, 7, 23, 49, 161, 529, 887, 1127, 3703, 6209, 20401, 25921, 43463, 142807, 469223, 999649, 3284561, 22991927]

約数ペア:

[(1, 22991927), (7, 3284561), (23, 999649), (49, 469223), (161, 142807), (529, 43463), (887, 25921), (1127, 20401), (3703, 6209)]