2943941

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 4209408

約数和(自身を除く): 1265467

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 173, 187, 221, 1001, 1211, 1309, 1547, 1903, 2249, 2431, 2941, 13321, 15743, 17017, 20587, 24739, 32351, 38233, 173173, 226457, 267631, 420563, 2943941]

約数ペア:

[(1, 2943941), (7, 420563), (11, 267631), (13, 226457), (17, 173173), (77, 38233), (91, 32351), (119, 24739), (143, 20587), (173, 17017), (187, 15743), (221, 13321), (1001, 2941), (1211, 2431), (1309, 2249), (1547, 1903)]