16398711

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1987}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 27291264

約数和(自身を除く): 10892553

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 1987, 2751, 5961, 8253, 13909, 17883, 41727, 125181, 260297, 780891, 1822079, 2342673, 5466237, 16398711]

約数ペア:

[(1, 16398711), (3, 5466237), (7, 2342673), (9, 1822079), (21, 780891), (63, 260297), (131, 125181), (393, 41727), (917, 17883), (1179, 13909), (1987, 8253), (2751, 5961)]