26778681

素因数分解:

$3^4\times {\mathrm{269}}^1\times {\mathrm{1229}}^1$

素因数の和:1510

約数の個数: 20

約数和(自身を含む): 40184100

約数和(自身を除く): 13405419

約数列:

[1, 3, 9, 27, 81, 269, 807, 1229, 2421, 3687, 7263, 11061, 21789, 33183, 99549, 330601, 991803, 2975409, 8926227, 26778681]

約数ペア:

[(1, 26778681), (3, 8926227), (9, 2975409), (27, 991803), (81, 330601), (269, 99549), (807, 33183), (1229, 21789), (2421, 11061), (3687, 7263)]