28387191

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3371}}^1$

素因数の和:3782

約数の個数: 16

約数和(自身を含む): 43377408

約数和(自身を除く): 14990217

約数列:

[1, 3, 7, 21, 401, 1203, 2807, 3371, 8421, 10113, 23597, 70791, 1351771, 4055313, 9462397, 28387191]

約数ペア:

[(1, 28387191), (3, 9462397), (7, 4055313), (21, 1351771), (401, 70791), (1203, 23597), (2807, 10113), (3371, 8421)]