131806983

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{1091}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 219727872

約数和(自身を除く): 87920889

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 523, 1091, 1569, 3273, 3661, 5753, 7637, 10983, 12001, 17259, 22911, 36003, 40271, 84007, 120813, 252021, 570593, 1711779, 3994151, 6276523, 11982453, 18829569, 43935661, 131806983]

約数ペア:

[(1, 131806983), (3, 43935661), (7, 18829569), (11, 11982453), (21, 6276523), (33, 3994151), (77, 1711779), (231, 570593), (523, 252021), (1091, 120813), (1569, 84007), (3273, 40271), (3661, 36003), (5753, 22911), (7637, 17259), (10983, 12001)]