1438020135

素因数分解:

$3^4\times 5^1\times {\mathrm{3550667}}^1$

素因数の和:3550684

約数の個数: 20

約数和(自身を含む): 2577784968

約数和(自身を除く): 1139764833

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3550667, 10652001, 17753335, 31956003, 53260005, 95868009, 159780015, 287604027, 479340045, 1438020135]

約数ペア:

[(1, 1438020135), (3, 479340045), (5, 287604027), (9, 159780015), (15, 95868009), (27, 53260005), (45, 31956003), (81, 17753335), (135, 10652001), (405, 3550667)]