5210001

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:634

約数の個数: 20

約数和(自身を含む): 7858224

約数和(自身を除く): 2648223

約数列:

[1, 3, 9, 27, 81, 131, 393, 491, 1179, 1473, 3537, 4419, 10611, 13257, 39771, 64321, 192963, 578889, 1736667, 5210001]

約数ペア:

[(1, 5210001), (3, 1736667), (9, 578889), (27, 192963), (81, 64321), (131, 39771), (393, 13257), (491, 10611), (1179, 4419), (1473, 3537)]