201891291

素因数分解:

$3^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{9901}}^1$

素因数の和:10882

約数の個数: 16

約数和(自身を含む): 307991808

約数和(自身を除く): 106100517

約数列:

[1, 3, 7, 21, 971, 2913, 6797, 9901, 20391, 29703, 69307, 207921, 9613871, 28841613, 67297097, 201891291]

約数ペア:

[(1, 201891291), (3, 67297097), (7, 28841613), (21, 9613871), (971, 207921), (2913, 69307), (6797, 29703), (9901, 20391)]