23161221

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3917}}^1$

素因数の和:4002

約数の個数: 20

約数和(自身を含む): 35081772

約数和(自身を除く): 11920551

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3917, 5913, 11751, 35253, 105759, 285941, 317277, 857823, 2573469, 7720407, 23161221]

約数ペア:

[(1, 23161221), (3, 7720407), (9, 2573469), (27, 857823), (73, 317277), (81, 285941), (219, 105759), (657, 35253), (1971, 11751), (3917, 5913)]