28702815

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26951}}^1$

素因数の和:27030

約数の個数: 16

約数和(自身を含む): 46573056

約数和(自身を除く): 17870241

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26951, 80853, 134755, 404265, 1913521, 5740563, 9567605, 28702815]

約数ペア:

[(1, 28702815), (3, 9567605), (5, 5740563), (15, 1913521), (71, 404265), (213, 134755), (355, 80853), (1065, 26951)]