28160385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{170669}}^1$

素因数の和:170688

約数の個数: 16

約数和(自身を含む): 49152960

約数和(自身を除く): 20992575

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 170669, 512007, 853345, 1877359, 2560035, 5632077, 9386795, 28160385]

約数ペア:

[(1, 28160385), (3, 9386795), (5, 5632077), (11, 2560035), (15, 1877359), (33, 853345), (55, 512007), (165, 170669)]