4243221

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 6383520

約数和(自身を除く): 2140299

約数列:

[1, 3, 9, 59, 61, 131, 177, 183, 393, 531, 549, 1179, 3599, 7729, 7991, 10797, 23187, 23973, 32391, 69561, 71919, 471469, 1414407, 4243221]

約数ペア:

[(1, 4243221), (3, 1414407), (9, 471469), (59, 71919), (61, 69561), (131, 32391), (177, 23973), (183, 23187), (393, 10797), (531, 7991), (549, 7729), (1179, 3599)]