128890905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{60089}}^1$

素因数の和:60121

約数の個数: 32

約数和(自身を含む): 242282880

約数和(自身を除く): 113391975

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 60089, 180267, 300445, 660979, 781157, 901335, 1982937, 2343471, 3304895, 3905785, 8592727, 9914685, 11717355, 25778181, 42963635, 128890905]

約数ペア:

[(1, 128890905), (3, 42963635), (5, 25778181), (11, 11717355), (13, 9914685), (15, 8592727), (33, 3905785), (39, 3304895), (55, 2343471), (65, 1982937), (143, 901335), (165, 781157), (195, 660979), (429, 300445), (715, 180267), (2145, 60089)]