200220531

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 311950848

約数和(自身を除く): 111730317

約数列:

[1, 3, 7, 21, 73, 131, 219, 393, 511, 917, 997, 1533, 2751, 2991, 6979, 9563, 20937, 28689, 66941, 72781, 130607, 200823, 218343, 391821, 509467, 914249, 1528401, 2742747, 9534311, 28602933, 66740177, 200220531]

約数ペア:

[(1, 200220531), (3, 66740177), (7, 28602933), (21, 9534311), (73, 2742747), (131, 1528401), (219, 914249), (393, 509467), (511, 391821), (917, 218343), (997, 200823), (1533, 130607), (2751, 72781), (2991, 66941), (6979, 28689), (9563, 20937)]