72729727

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 89413632

約数和(自身を除く): 16683905

約数列:

[1, 7, 43, 47, 53, 97, 301, 329, 371, 679, 2021, 2279, 2491, 4171, 4559, 5141, 14147, 15953, 17437, 29197, 31913, 35987, 107113, 196037, 221063, 241627, 749791, 1372259, 1547441, 1691389, 10389961, 72729727]

約数ペア:

[(1, 72729727), (7, 10389961), (43, 1691389), (47, 1547441), (53, 1372259), (97, 749791), (301, 241627), (329, 221063), (371, 196037), (679, 107113), (2021, 35987), (2279, 31913), (2491, 29197), (4171, 17437), (4559, 15953), (5141, 14147)]