489669831

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{250727}}^1$

素因数の和:250771

約数の個数: 24

約数和(自身を含む): 834422784

約数和(自身を除く): 344752953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 250727, 752181, 1755089, 2256543, 5265267, 7772537, 15795801, 23317611, 54407759, 69952833, 163223277, 489669831]

約数ペア:

[(1, 489669831), (3, 163223277), (7, 69952833), (9, 54407759), (21, 23317611), (31, 15795801), (63, 7772537), (93, 5265267), (217, 2256543), (279, 1755089), (651, 752181), (1953, 250727)]