26811261

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 45152640

約数和(自身を除く): 18341379

約数列:

[1, 3, 9, 17, 19, 23, 51, 57, 69, 153, 171, 207, 323, 391, 401, 437, 969, 1173, 1203, 1311, 2907, 3519, 3609, 3933, 6817, 7429, 7619, 9223, 20451, 22287, 22857, 27669, 61353, 66861, 68571, 83007, 129523, 156791, 175237, 388569, 470373, 525711, 1165707, 1411119, 1577133, 2979029, 8937087, 26811261]

約数ペア:

[(1, 26811261), (3, 8937087), (9, 2979029), (17, 1577133), (19, 1411119), (23, 1165707), (51, 525711), (57, 470373), (69, 388569), (153, 175237), (171, 156791), (207, 129523), (323, 83007), (391, 68571), (401, 66861), (437, 61353), (969, 27669), (1173, 22857), (1203, 22287), (1311, 20451), (2907, 9223), (3519, 7619), (3609, 7429), (3933, 6817)]