28743117

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19919}}^1$

素因数の和:19972

約数の個数: 16

約数和(自身を含む): 42389760

約数和(自身を除く): 13646643

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 19919, 59757, 258947, 737003, 776841, 2211009, 9581039, 28743117]

約数ペア:

[(1, 28743117), (3, 9581039), (13, 2211009), (37, 776841), (39, 737003), (111, 258947), (481, 59757), (1443, 19919)]