243392121

素因数分解:

$3^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2179}}^1$

素因数の和:2395

約数の個数: 40

約数和(自身を含む): 417827520

約数和(自身を除く): 174435399

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 197, 567, 591, 1379, 1773, 2179, 4137, 5319, 6537, 12411, 15253, 15957, 19611, 37233, 45759, 58833, 111699, 137277, 176499, 411831, 429263, 1235493, 1287789, 3004841, 3863367, 9014523, 11590101, 27043569, 34770303, 81130707, 243392121]

約数ペア:

[(1, 243392121), (3, 81130707), (7, 34770303), (9, 27043569), (21, 11590101), (27, 9014523), (63, 3863367), (81, 3004841), (189, 1287789), (197, 1235493), (567, 429263), (591, 411831), (1379, 176499), (1773, 137277), (2179, 111699), (4137, 58833), (5319, 45759), (6537, 37233), (12411, 19611), (15253, 15957)]