28222173

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19477}}^1$

素因数の和:19513

約数の個数: 24

約数和(自身を含む): 48617088

約数和(自身を除く): 20394915

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19477, 58431, 136339, 175293, 409017, 447971, 1227051, 1343913, 3135797, 4031739, 9407391, 28222173]

約数ペア:

[(1, 28222173), (3, 9407391), (7, 4031739), (9, 3135797), (21, 1343913), (23, 1227051), (63, 447971), (69, 409017), (161, 175293), (207, 136339), (483, 58431), (1449, 19477)]