2017642221

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{478001}}^1$

素因数の和:478081

約数の個数: 24

約数和(自身を含む): 3380430144

約数和(自身を除く): 1362787923

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 478001, 1434003, 3346007, 4302009, 10038021, 30114063, 32026067, 96078201, 224182469, 288234603, 672547407, 2017642221]

約数ペア:

[(1, 2017642221), (3, 672547407), (7, 288234603), (9, 224182469), (21, 96078201), (63, 32026067), (67, 30114063), (201, 10038021), (469, 4302009), (603, 3346007), (1407, 1434003), (4221, 478001)]