128219013

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{26729}}^1$

素因数の和:26789

約数の個数: 24

約数和(自身を含む): 204324120

約数和(自身を除く): 76105107

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4797, 26729, 80187, 240561, 347477, 1042431, 1095889, 3127293, 3287667, 9863001, 14246557, 42739671, 128219013]

約数ペア:

[(1, 128219013), (3, 42739671), (9, 14246557), (13, 9863001), (39, 3287667), (41, 3127293), (117, 1095889), (123, 1042431), (369, 347477), (533, 240561), (1599, 80187), (4797, 26729)]