203916489

素因数分解:

$3^1\times 7^2\times {\mathrm{373}}^1\times {\mathrm{3719}}^1$

素因数の和:4109

約数の個数: 24

約数和(自身を含む): 317211840

約数和(自身を除く): 113295351

約数列:

[1, 3, 7, 21, 49, 147, 373, 1119, 2611, 3719, 7833, 11157, 18277, 26033, 54831, 78099, 182231, 546693, 1387187, 4161561, 9710309, 29130927, 67972163, 203916489]

約数ペア:

[(1, 203916489), (3, 67972163), (7, 29130927), (21, 9710309), (49, 4161561), (147, 1387187), (373, 546693), (1119, 182231), (2611, 78099), (3719, 54831), (7833, 26033), (11157, 18277)]