1639521

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:204

約数の個数: 28

約数和(自身を含む): 2662548

約数和(自身を除く): 1023027

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 173, 243, 351, 519, 729, 1053, 1557, 2249, 3159, 4671, 6747, 9477, 14013, 20241, 42039, 60723, 126117, 182169, 546507, 1639521]

約数ペア:

[(1, 1639521), (3, 546507), (9, 182169), (13, 126117), (27, 60723), (39, 42039), (81, 20241), (117, 14013), (173, 9477), (243, 6747), (351, 4671), (519, 3159), (729, 2249), (1053, 1557)]