18445161

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10585239

約数列:

[1, 3, 7, 21, 71, 89, 139, 213, 267, 417, 497, 623, 973, 1491, 1869, 2919, 6319, 9869, 12371, 18957, 29607, 37113, 44233, 69083, 86597, 132699, 207249, 259791, 878341, 2635023, 6148387, 18445161]

約数ペア:

[(1, 18445161), (3, 6148387), (7, 2635023), (21, 878341), (71, 259791), (89, 207249), (139, 132699), (213, 86597), (267, 69083), (417, 44233), (497, 37113), (623, 29607), (973, 18957), (1491, 12371), (1869, 9869), (2919, 6319)]