81230835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1723}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 148953600

約数和(自身を除く): 67722765

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 449, 1347, 1723, 2245, 3143, 5169, 6735, 8615, 9429, 12061, 15715, 25845, 36183, 47145, 60305, 180915, 773627, 2320881, 3868135, 5415389, 11604405, 16246167, 27076945, 81230835]

約数ペア:

[(1, 81230835), (3, 27076945), (5, 16246167), (7, 11604405), (15, 5415389), (21, 3868135), (35, 2320881), (105, 773627), (449, 180915), (1347, 60305), (1723, 47145), (2245, 36183), (3143, 25845), (5169, 15715), (6735, 12061), (8615, 9429)]