290262021

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{445871}}^1$

素因数の和:445912

約数の個数: 16

約数和(自身を含む): 456572928

約数和(自身を除く): 166310907

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 445871, 1337613, 3121097, 9363291, 13822001, 41466003, 96754007, 290262021]

約数ペア:

[(1, 290262021), (3, 96754007), (7, 41466003), (21, 13822001), (31, 9363291), (93, 3121097), (217, 1337613), (651, 445871)]