172356639

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{2347}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 284014080

約数和(自身を除く): 111657441

約数列:

[1, 3, 7, 13, 21, 39, 91, 269, 273, 807, 1883, 2347, 3497, 5649, 7041, 10491, 16429, 24479, 30511, 49287, 73437, 91533, 213577, 631343, 640731, 1894029, 4419401, 8207459, 13258203, 24622377, 57452213, 172356639]

約数ペア:

[(1, 172356639), (3, 57452213), (7, 24622377), (13, 13258203), (21, 8207459), (39, 4419401), (91, 1894029), (269, 640731), (273, 631343), (807, 213577), (1883, 91533), (2347, 73437), (3497, 49287), (5649, 30511), (7041, 24479), (10491, 16429)]