38720157

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1831}}^1$

素因数の和:1913

約数の個数: 32

約数和(自身を含む): 63313920

約数和(自身を除く): 24593763

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 1831, 3021, 5493, 7049, 12817, 21147, 34789, 38451, 97043, 104367, 243523, 291129, 679301, 730569, 1843817, 2037903, 5531451, 12906719, 38720157]

約数ペア:

[(1, 38720157), (3, 12906719), (7, 5531451), (19, 2037903), (21, 1843817), (53, 730569), (57, 679301), (133, 291129), (159, 243523), (371, 104367), (399, 97043), (1007, 38451), (1113, 34789), (1831, 21147), (3021, 12817), (5493, 7049)]