8421441

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9781}}^1$

素因数の和:9832

約数の個数: 16

約数和(自身を含む): 13147008

約数和(自身を除く): 4725567

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 9781, 29343, 68467, 205401, 401021, 1203063, 2807147, 8421441]

約数ペア:

[(1, 8421441), (3, 2807147), (7, 1203063), (21, 401021), (41, 205401), (123, 68467), (287, 29343), (861, 9781)]