40726401

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 55085184

約数和(自身を除く): 14358783

約数列:

[1, 3, 137, 197, 411, 503, 591, 1509, 26989, 68911, 80967, 99091, 206733, 297273, 13575467, 40726401]

約数ペア:

[(1, 40726401), (3, 13575467), (137, 297273), (197, 206733), (411, 99091), (503, 80967), (591, 68911), (1509, 26989)]