19930131

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 32235840

約数和(自身を除く): 12305709

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 701, 729, 1053, 2103, 2187, 3159, 6309, 9113, 9477, 18927, 27339, 28431, 56781, 82017, 170343, 246051, 511029, 738153, 1533087, 2214459, 6643377, 19930131]

約数ペア:

[(1, 19930131), (3, 6643377), (9, 2214459), (13, 1533087), (27, 738153), (39, 511029), (81, 246051), (117, 170343), (243, 82017), (351, 56781), (701, 28431), (729, 27339), (1053, 18927), (2103, 9477), (2187, 9113), (3159, 6309)]