53756721

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 79191840

約数和(自身を除く): 25435119

約数列:

[1, 3, 9, 97, 139, 291, 417, 443, 873, 1251, 1329, 3987, 13483, 40449, 42971, 61577, 121347, 128913, 184731, 386739, 554193, 5972969, 17918907, 53756721]

約数ペア:

[(1, 53756721), (3, 17918907), (9, 5972969), (97, 554193), (139, 386739), (291, 184731), (417, 128913), (443, 121347), (873, 61577), (1251, 42971), (1329, 40449), (3987, 13483)]