40042947

素因数分解:

$3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1291}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 62450112

約数和(自身を除く): 22407165

約数列:

[1, 3, 7, 21, 49, 147, 211, 633, 1291, 1477, 3873, 4431, 9037, 10339, 27111, 31017, 63259, 189777, 272401, 817203, 1906807, 5720421, 13347649, 40042947]

約数ペア:

[(1, 40042947), (3, 13347649), (7, 5720421), (21, 1906807), (49, 817203), (147, 272401), (211, 189777), (633, 63259), (1291, 31017), (1477, 27111), (3873, 10339), (4431, 9037)]