39781371

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{26681}}^1$

素因数の和:26762

約数の個数: 16

約数和(自身を含む): 61475328

約数和(自身を除く): 21693957

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 26681, 80043, 186767, 560301, 1894351, 5683053, 13260457, 39781371]

約数ペア:

[(1, 39781371), (3, 13260457), (7, 5683053), (21, 1894351), (71, 560301), (213, 186767), (497, 80043), (1491, 26681)]