1216291221

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{3607}}^1$

素因数の和:3823

約数の個数: 40

約数和(自身を含む): 1906929024

約数和(自身を除く): 690637803

約数列:

[1, 3, 9, 23, 27, 69, 81, 181, 207, 543, 621, 1629, 1863, 3607, 4163, 4887, 10821, 12489, 14661, 32463, 37467, 82961, 97389, 112401, 248883, 292167, 337203, 652867, 746649, 1958601, 2239947, 5875803, 6719841, 15015941, 17627409, 45047823, 52882227, 135143469, 405430407, 1216291221]

約数ペア:

[(1, 1216291221), (3, 405430407), (9, 135143469), (23, 52882227), (27, 45047823), (69, 17627409), (81, 15015941), (181, 6719841), (207, 5875803), (543, 2239947), (621, 1958601), (1629, 746649), (1863, 652867), (3607, 337203), (4163, 292167), (4887, 248883), (10821, 112401), (12489, 97389), (14661, 82961), (32463, 37467)]