280030401

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{49943}}^1$

素因数の和:50045

約数の個数: 24

約数和(自身を含む): 467475840

約数和(自身を除く): 187445439

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 49943, 149829, 349601, 449487, 1048803, 3146409, 4444927, 13334781, 31114489, 40004343, 93343467, 280030401]

約数ペア:

[(1, 280030401), (3, 93343467), (7, 40004343), (9, 31114489), (21, 13334781), (63, 4444927), (89, 3146409), (267, 1048803), (623, 449487), (801, 349601), (1869, 149829), (5607, 49943)]