40942005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209959}}^1$

素因数の和:209980

約数の個数: 16

約数和(自身を含む): 70546560

約数和(自身を除く): 29604555

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 209959, 629877, 1049795, 2729467, 3149385, 8188401, 13647335, 40942005]

約数ペア:

[(1, 40942005), (3, 13647335), (5, 8188401), (13, 3149385), (15, 2729467), (39, 1049795), (65, 629877), (195, 209959)]