1639859907

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{6737}}^1$

素因数の和:6987

約数の個数: 32

約数和(自身を含む): 2551168512

約数和(自身を除く): 911308605

約数列:

[1, 3, 7, 21, 67, 173, 201, 469, 519, 1211, 1407, 3633, 6737, 11591, 20211, 34773, 47159, 81137, 141477, 243411, 451379, 1165501, 1354137, 3159653, 3496503, 8158507, 9478959, 24475521, 78088567, 234265701, 546619969, 1639859907]

約数ペア:

[(1, 1639859907), (3, 546619969), (7, 234265701), (21, 78088567), (67, 24475521), (173, 9478959), (201, 8158507), (469, 3496503), (519, 3159653), (1211, 1354137), (1407, 1165501), (3633, 451379), (6737, 243411), (11591, 141477), (20211, 81137), (34773, 47159)]