156890811

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{863}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 261439488

約数和(自身を除く): 104548677

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 787, 863, 2361, 2589, 5509, 6041, 8657, 9493, 16527, 18123, 25971, 28479, 60599, 66451, 181797, 199353, 679181, 2037543, 4754267, 7470991, 14262801, 22412973, 52296937, 156890811]

約数ペア:

[(1, 156890811), (3, 52296937), (7, 22412973), (11, 14262801), (21, 7470991), (33, 4754267), (77, 2037543), (231, 679181), (787, 199353), (863, 181797), (2361, 66451), (2589, 60599), (5509, 28479), (6041, 25971), (8657, 18123), (9493, 16527)]