201655797

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{2207}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 325017600

約数和(自身を除く): 123361803

約数列:

[1, 3, 7, 19, 21, 57, 133, 229, 399, 687, 1603, 2207, 4351, 4809, 6621, 13053, 15449, 30457, 41933, 46347, 91371, 125799, 293531, 505403, 880593, 1516209, 3537821, 9602657, 10613463, 28807971, 67218599, 201655797]

約数ペア:

[(1, 201655797), (3, 67218599), (7, 28807971), (19, 10613463), (21, 9602657), (57, 3537821), (133, 1516209), (229, 880593), (399, 505403), (687, 293531), (1603, 125799), (2207, 91371), (4351, 46347), (4809, 41933), (6621, 30457), (13053, 15449)]