28552905

素因数分解:

$3^4\times 5^1\times {\mathrm{70501}}^1$

素因数の和:70518

約数の個数: 20

約数和(自身を含む): 51184452

約数和(自身を除く): 22631547

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70501, 211503, 352505, 634509, 1057515, 1903527, 3172545, 5710581, 9517635, 28552905]

約数ペア:

[(1, 28552905), (3, 9517635), (5, 5710581), (9, 3172545), (15, 1903527), (27, 1057515), (45, 634509), (81, 352505), (135, 211503), (405, 70501)]