40642497

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1949}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 67329600

約数和(自身を除く): 26687103

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 1949, 2317, 2979, 5847, 6951, 13643, 17541, 20853, 40929, 122787, 645119, 1935357, 4515833, 5806071, 13547499, 40642497]

約数ペア:

[(1, 40642497), (3, 13547499), (7, 5806071), (9, 4515833), (21, 1935357), (63, 645119), (331, 122787), (993, 40929), (1949, 20853), (2317, 17541), (2979, 13643), (5847, 6951)]