28749609

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19841}}^1$

素因数の和:19877

約数の個数: 24

約数和(自身を含む): 49525632

約数和(自身を除く): 20776023

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19841, 59523, 138887, 178569, 416661, 456343, 1249983, 1369029, 3194401, 4107087, 9583203, 28749609]

約数ペア:

[(1, 28749609), (3, 9583203), (7, 4107087), (9, 3194401), (21, 1369029), (23, 1249983), (63, 456343), (69, 416661), (161, 178569), (207, 138887), (483, 59523), (1449, 19841)]