266771421

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21067}}^1$

素因数の和:21150

約数の個数: 32

約数和(自身を含む): 458439680

約数和(自身を除く): 191668259

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1809, 4221, 12663, 21067, 63201, 147469, 189603, 442407, 568809, 1327221, 1411489, 3981663, 4234467, 9880423, 12703401, 29641269, 38110203, 88923807, 266771421]

約数ペア:

[(1, 266771421), (3, 88923807), (7, 38110203), (9, 29641269), (21, 12703401), (27, 9880423), (63, 4234467), (67, 3981663), (189, 1411489), (201, 1327221), (469, 568809), (603, 442407), (1407, 189603), (1809, 147469), (4221, 63201), (12663, 21067)]