66615353

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 79814592

約数和(自身を除く): 13199239

約数列:

[1, 7, 49, 67, 103, 197, 469, 721, 1379, 3283, 5047, 6901, 9653, 13199, 20291, 48307, 92393, 142037, 338149, 646751, 994259, 1359497, 9516479, 66615353]

約数ペア:

[(1, 66615353), (7, 9516479), (49, 1359497), (67, 994259), (103, 646751), (197, 338149), (469, 142037), (721, 92393), (1379, 48307), (3283, 20291), (5047, 13199), (6901, 9653)]