1338395967

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37811}}^1$

素因数の和:37865

約数の個数: 40

約数和(自身を含む): 2196120960

約数和(自身を除く): 857724993

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 437, 513, 621, 1311, 1539, 1863, 3933, 11799, 35397, 37811, 113433, 340299, 718409, 869653, 1020897, 2155227, 2608959, 3062691, 6465681, 7826877, 16523407, 19397043, 23480631, 49570221, 58191129, 70441893, 148710663, 446131989, 1338395967]

約数ペア:

[(1, 1338395967), (3, 446131989), (9, 148710663), (19, 70441893), (23, 58191129), (27, 49570221), (57, 23480631), (69, 19397043), (81, 16523407), (171, 7826877), (207, 6465681), (437, 3062691), (513, 2608959), (621, 2155227), (1311, 1020897), (1539, 869653), (1863, 718409), (3933, 340299), (11799, 113433), (35397, 37811)]