72149217

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{11971}}^1$

素因数の和:12029

約数の個数: 24

約数和(自身を含む): 114643872

約数和(自身を除く): 42494655

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 11971, 35913, 83797, 251391, 490811, 586579, 1472433, 1759737, 3435677, 10307031, 24049739, 72149217]

約数ペア:

[(1, 72149217), (3, 24049739), (7, 10307031), (21, 3435677), (41, 1759737), (49, 1472433), (123, 586579), (147, 490811), (287, 251391), (861, 83797), (2009, 35913), (6027, 11971)]