639609819

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{6091}}^1$

素因数の和:6211

約数の個数: 32

約数和(自身を含む): 947427840

約数和(自身を除く): 307818021

約数列:

[1, 3, 17, 29, 51, 71, 87, 213, 493, 1207, 1479, 2059, 3621, 6091, 6177, 18273, 35003, 103547, 105009, 176639, 310641, 432461, 529917, 1297383, 3002863, 7351837, 9008589, 12541369, 22055511, 37624107, 213203273, 639609819]

約数ペア:

[(1, 639609819), (3, 213203273), (17, 37624107), (29, 22055511), (51, 12541369), (71, 9008589), (87, 7351837), (213, 3002863), (493, 1297383), (1207, 529917), (1479, 432461), (2059, 310641), (3621, 176639), (6091, 105009), (6177, 103547), (18273, 35003)]