28731543

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 39115776

約数和(自身を除く): 10384233

約数列:

[1, 3, 67, 201, 223, 641, 669, 1923, 14941, 42947, 44823, 128841, 142943, 428829, 9577181, 28731543]

約数ペア:

[(1, 28731543), (3, 9577181), (67, 428829), (201, 142943), (223, 128841), (641, 44823), (669, 42947), (1923, 14941)]