81921018

素因数分解:

$2^1\times 3^1\times {\mathrm{1327}}^1\times {\mathrm{10289}}^1$

素因数の和:11621

約数の個数: 16

約数和(自身を含む): 163981440

約数和(自身を除く): 82060422

約数列:

[1, 2, 3, 6, 1327, 2654, 3981, 7962, 10289, 20578, 30867, 61734, 13653503, 27307006, 40960509, 81921018]

約数ペア:

[(1, 81921018), (2, 40960509), (3, 27307006), (6, 13653503), (1327, 61734), (2654, 30867), (3981, 20578), (7962, 10289)]