201991869

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{20021}}^1$

素因数の和:20105

約数の個数: 24

約数和(自身を含む): 312343200

約数和(自身を除く): 110351331

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 531, 1121, 3363, 10089, 20021, 60063, 180189, 380399, 1141197, 1181239, 3423591, 3543717, 10631151, 22443541, 67330623, 201991869]

約数ペア:

[(1, 201991869), (3, 67330623), (9, 22443541), (19, 10631151), (57, 3543717), (59, 3423591), (171, 1181239), (177, 1141197), (531, 380399), (1121, 180189), (3363, 60063), (10089, 20021)]