2891499

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 4187904

約数和(自身を除く): 1296405

約数列:

[1, 3, 13, 39, 151, 453, 491, 1473, 1963, 5889, 6383, 19149, 74141, 222423, 963833, 2891499]

約数ペア:

[(1, 2891499), (3, 963833), (13, 222423), (39, 74141), (151, 19149), (453, 6383), (491, 5889), (1473, 1963)]