28656873

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19777}}^1$

素因数の和:19813

約数の個数: 24

約数和(自身を含む): 49365888

約数和(自身を除く): 20709015

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19777, 59331, 138439, 177993, 415317, 454871, 1245951, 1364613, 3184097, 4093839, 9552291, 28656873]

約数ペア:

[(1, 28656873), (3, 9552291), (7, 4093839), (9, 3184097), (21, 1364613), (23, 1245951), (63, 454871), (69, 415317), (161, 177993), (207, 138439), (483, 59331), (1449, 19777)]