28143927

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19423}}^1$

素因数の和:19459

約数の個数: 24

約数和(自身を含む): 48482304

約数和(自身を除く): 20338377

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19423, 58269, 135961, 174807, 407883, 446729, 1223649, 1340187, 3127103, 4020561, 9381309, 28143927]

約数ペア:

[(1, 28143927), (3, 9381309), (7, 4020561), (9, 3127103), (21, 1340187), (23, 1223649), (63, 446729), (69, 407883), (161, 174807), (207, 135961), (483, 58269), (1449, 19423)]