208154193

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2153}}^1$

素因数の和:2273

約数の個数: 32

約数和(自身を含む): 311692416

約数和(自身を除く): 103538223

約数列:

[1, 3, 13, 37, 39, 67, 111, 201, 481, 871, 1443, 2153, 2479, 2613, 6459, 7437, 27989, 32227, 79661, 83967, 96681, 144251, 238983, 432753, 1035593, 1875263, 3106779, 5337287, 5625789, 16011861, 69384731, 208154193]

約数ペア:

[(1, 208154193), (3, 69384731), (13, 16011861), (37, 5625789), (39, 5337287), (67, 3106779), (111, 1875263), (201, 1035593), (481, 432753), (871, 238983), (1443, 144251), (2153, 96681), (2479, 83967), (2613, 79661), (6459, 32227), (7437, 27989)]