206670771

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:427

約数の個数: 56

約数和(自身を含む): 334720320

約数和(自身を除く): 128049549

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 171, 243, 347, 387, 513, 729, 817, 1041, 1161, 1539, 2451, 3123, 3483, 4617, 6593, 7353, 9369, 10449, 13851, 14921, 19779, 22059, 28107, 31347, 44763, 59337, 66177, 84321, 134289, 178011, 198531, 252963, 283499, 402867, 534033, 595593, 850497, 1208601, 1602099, 2551491, 3625803, 4806297, 7654473, 10877409, 22963419, 68890257, 206670771]

約数ペア:

[(1, 206670771), (3, 68890257), (9, 22963419), (19, 10877409), (27, 7654473), (43, 4806297), (57, 3625803), (81, 2551491), (129, 1602099), (171, 1208601), (243, 850497), (347, 595593), (387, 534033), (513, 402867), (729, 283499), (817, 252963), (1041, 198531), (1161, 178011), (1539, 134289), (2451, 84321), (3123, 66177), (3483, 59337), (4617, 44763), (6593, 31347), (7353, 28107), (9369, 22059), (10449, 19779), (13851, 14921)]