40570677

素因数分解:

$3^2\times 7^2\times {\mathrm{91997}}^1$

素因数の和:92017

約数の個数: 18

約数和(自身を含む): 68170518

約数和(自身を除く): 27599841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 91997, 275991, 643979, 827973, 1931937, 4507853, 5795811, 13523559, 40570677]

約数ペア:

[(1, 40570677), (3, 13523559), (7, 5795811), (9, 4507853), (21, 1931937), (49, 827973), (63, 643979), (147, 275991), (441, 91997)]