217792545

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{5857}}^1$

素因数の和:5969

約数の個数: 32

約数和(自身を含む): 363289728

約数和(自身を除く): 145497183

約数列:

[1, 3, 5, 15, 37, 67, 111, 185, 201, 335, 555, 1005, 2479, 5857, 7437, 12395, 17571, 29285, 37185, 87855, 216709, 392419, 650127, 1083545, 1177257, 1962095, 3250635, 5886285, 14519503, 43558509, 72597515, 217792545]

約数ペア:

[(1, 217792545), (3, 72597515), (5, 43558509), (15, 14519503), (37, 5886285), (67, 3250635), (111, 1962095), (185, 1177257), (201, 1083545), (335, 650127), (555, 392419), (1005, 216709), (2479, 87855), (5857, 37185), (7437, 29285), (12395, 17571)]