40290243

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{9739}}^1$

素因数の和:9946

約数の個数: 16

約数和(自身を含む): 61712640

約数和(自身を除く): 21422397

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 9739, 29217, 68173, 204519, 1918583, 5755749, 13430081, 40290243]

約数ペア:

[(1, 40290243), (3, 13430081), (7, 5755749), (21, 1918583), (197, 204519), (591, 68173), (1379, 29217), (4137, 9739)]