201391203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1571}}^1$

素因数の和:1779

約数の個数: 32

約数和(自身を含む): 306351360

約数和(自身を除く): 104960157

約数列:

[1, 3, 13, 19, 39, 57, 173, 247, 519, 741, 1571, 2249, 3287, 4713, 6747, 9861, 20423, 29849, 42731, 61269, 89547, 128193, 271783, 388037, 815349, 1164111, 3533179, 5163877, 10599537, 15491631, 67130401, 201391203]

約数ペア:

[(1, 201391203), (3, 67130401), (13, 15491631), (19, 10599537), (39, 5163877), (57, 3533179), (173, 1164111), (247, 815349), (519, 388037), (741, 271783), (1571, 128193), (2249, 89547), (3287, 61269), (4713, 42731), (6747, 29849), (9861, 20423)]