72980919

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:527

約数の個数: 56

約数和(自身を含む): 125913600

約数和(自身を除く): 52932681

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 243, 297, 479, 513, 627, 729, 891, 1437, 1539, 1881, 2673, 4311, 4617, 5269, 5643, 8019, 9101, 12933, 13851, 15807, 16929, 27303, 38799, 47421, 50787, 81909, 100111, 116397, 142263, 152361, 245727, 300333, 349191, 426789, 737181, 900999, 1280367, 2211543, 2702997, 3841101, 6634629, 8108991, 24326973, 72980919]

約数ペア:

[(1, 72980919), (3, 24326973), (9, 8108991), (11, 6634629), (19, 3841101), (27, 2702997), (33, 2211543), (57, 1280367), (81, 900999), (99, 737181), (171, 426789), (209, 349191), (243, 300333), (297, 245727), (479, 152361), (513, 142263), (627, 116397), (729, 100111), (891, 81909), (1437, 50787), (1539, 47421), (1881, 38799), (2673, 27303), (4311, 16929), (4617, 15807), (5269, 13851), (5643, 12933), (8019, 9101)]