8581221

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{9631}}^1$

素因数の和:9654

約数の個数: 20

約数和(自身を含む): 13985664

約数和(自身を除く): 5404443

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 9631, 28893, 86679, 105941, 260037, 317823, 780111, 953469, 2860407, 8581221]

約数ペア:

[(1, 8581221), (3, 2860407), (9, 953469), (11, 780111), (27, 317823), (33, 260037), (81, 105941), (99, 86679), (297, 28893), (891, 9631)]