28999677

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20611}}^1$

素因数の和:20688

約数の個数: 16

約数和(自身を含む): 44851712

約数和(自身を除く): 15852035

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 20611, 61833, 144277, 432831, 1380937, 4142811, 9666559, 28999677]

約数ペア:

[(1, 28999677), (3, 9666559), (7, 4142811), (21, 1380937), (67, 432831), (201, 144277), (469, 61833), (1407, 20611)]