1621377360621

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{220505557}}^1$

素因数の和:220505625

約数の個数: 24

約数和(自身を含む): 2522583583520

約数和(自身を除く): 901206222899

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 220505557, 661516671, 1984550013, 4189605583, 9481738951, 12568816749, 28445216853, 37706450247, 85335650559, 180153040069, 540459120207, 1621377360621]

約数ペア:

[(1, 1621377360621), (3, 540459120207), (9, 180153040069), (19, 85335650559), (43, 37706450247), (57, 28445216853), (129, 12568816749), (171, 9481738951), (387, 4189605583), (817, 1984550013), (2451, 661516671), (7353, 220505557)]