40806519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{2131}}^1$

素因数の和:2638

約数の個数: 16

約数和(自身を含む): 58740864

約数和(自身を除く): 17934345

約数列:

[1, 3, 13, 39, 491, 1473, 2131, 6383, 6393, 19149, 27703, 83109, 1046321, 3138963, 13602173, 40806519]

約数ペア:

[(1, 40806519), (3, 13602173), (13, 3138963), (39, 1046321), (491, 83109), (1473, 27703), (2131, 19149), (6383, 6393)]