27719559

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7213}}^1$

素因数の和:7287

約数の個数: 24

約数和(自身を含む): 46515872

約数和(自身を除く): 18796313

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 7213, 21639, 50491, 64917, 151473, 439993, 454419, 1319979, 3079951, 3959937, 9239853, 27719559]

約数ペア:

[(1, 27719559), (3, 9239853), (7, 3959937), (9, 3079951), (21, 1319979), (61, 454419), (63, 439993), (183, 151473), (427, 64917), (549, 50491), (1281, 21639), (3843, 7213)]