164025

素因数分解:

$3^8\times 5^2$

素因数の和:34

約数の個数: 27

約数和(自身を含む): 305071

約数和(自身を除く): 141046

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 2187, 3645, 6075, 6561, 10935, 18225, 32805, 54675, 164025]

約数ペア:

[(1, 164025), (3, 54675), (5, 32805), (9, 18225), (15, 10935), (25, 6561), (27, 6075), (45, 3645), (75, 2187), (81, 2025), (135, 1215), (225, 729), (243, 675)]