28272013

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1151}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 8499827

約数列:

[1, 7, 11, 29, 77, 121, 203, 319, 847, 1151, 2233, 3509, 8057, 12661, 24563, 33379, 88627, 139271, 233653, 367169, 974897, 2570183, 4038859, 28272013]

約数ペア:

[(1, 28272013), (7, 4038859), (11, 2570183), (29, 974897), (77, 367169), (121, 233653), (203, 139271), (319, 88627), (847, 33379), (1151, 24563), (2233, 12661), (3509, 8057)]