16572855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2297}}^1$

素因数の和:2355

約数の個数: 32

約数和(自身を含む): 29340864

約数和(自身を除く): 12768009

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2297, 2405, 6891, 7215, 11485, 29861, 34455, 84989, 89583, 149305, 254967, 424945, 447915, 1104857, 1274835, 3314571, 5524285, 16572855]

約数ペア:

[(1, 16572855), (3, 5524285), (5, 3314571), (13, 1274835), (15, 1104857), (37, 447915), (39, 424945), (65, 254967), (111, 149305), (185, 89583), (195, 84989), (481, 34455), (555, 29861), (1443, 11485), (2297, 7215), (2405, 6891)]