201871971

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{1733}}^1$

素因数の和:1832

約数の個数: 36

約数和(自身を含む): 341376048

約数和(自身を除く): 139504077

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 1733, 1849, 2709, 5199, 5547, 12131, 12943, 15597, 16641, 36393, 38829, 74519, 109179, 116487, 223557, 521633, 670671, 1564899, 3204317, 4694697, 9612951, 22430219, 28838853, 67290657, 201871971]

約数ペア:

[(1, 201871971), (3, 67290657), (7, 28838853), (9, 22430219), (21, 9612951), (43, 4694697), (63, 3204317), (129, 1564899), (301, 670671), (387, 521633), (903, 223557), (1733, 116487), (1849, 109179), (2709, 74519), (5199, 38829), (5547, 36393), (12131, 16641), (12943, 15597)]