81085809

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{9629}}^1$

素因数の和:10040

約数の個数: 16

約数和(自身を含む): 123880320

約数和(自身を除く): 42794511

約数列:

[1, 3, 7, 21, 401, 1203, 2807, 8421, 9629, 28887, 67403, 202209, 3861229, 11583687, 27028603, 81085809]

約数ペア:

[(1, 81085809), (3, 27028603), (7, 11583687), (21, 3861229), (401, 202209), (1203, 67403), (2807, 28887), (8421, 9629)]