81420822

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{215399}}^1$

素因数の和:215417

約数の個数: 32

約数和(自身を含む): 206784000

約数和(自身を除く): 125363178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 215399, 430798, 646197, 1292394, 1507793, 1938591, 3015586, 3877182, 4523379, 5815773, 9046758, 11631546, 13570137, 27140274, 40710411, 81420822]

約数ペア:

[(1, 81420822), (2, 40710411), (3, 27140274), (6, 13570137), (7, 11631546), (9, 9046758), (14, 5815773), (18, 4523379), (21, 3877182), (27, 3015586), (42, 1938591), (54, 1507793), (63, 1292394), (126, 646197), (189, 430798), (378, 215399)]