205429665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{26801}}^1$

素因数の和:26889

約数の個数: 32

約数和(自身を含む): 380802816

約数和(自身を除く): 175373151

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 365, 511, 1095, 1533, 2555, 7665, 26801, 80403, 134005, 187607, 402015, 562821, 938035, 1956473, 2814105, 5869419, 9782365, 13695311, 29347095, 41085933, 68476555, 205429665]

約数ペア:

[(1, 205429665), (3, 68476555), (5, 41085933), (7, 29347095), (15, 13695311), (21, 9782365), (35, 5869419), (73, 2814105), (105, 1956473), (219, 938035), (365, 562821), (511, 402015), (1095, 187607), (1533, 134005), (2555, 80403), (7665, 26801)]