40828053

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 63866880

約数和(自身を除く): 23038827

約数列:

[1, 3, 7, 21, 71, 139, 197, 213, 417, 497, 591, 973, 1379, 1491, 2919, 4137, 9869, 13987, 27383, 29607, 41961, 69083, 82149, 97909, 191681, 207249, 293727, 575043, 1944193, 5832579, 13609351, 40828053]

約数ペア:

[(1, 40828053), (3, 13609351), (7, 5832579), (21, 1944193), (71, 575043), (139, 293727), (197, 207249), (213, 191681), (417, 97909), (497, 82149), (591, 69083), (973, 41961), (1379, 29607), (1491, 27383), (2919, 13987), (4137, 9869)]