7788461121

素因数分解:

$3^4\times 7^1\times {\mathrm{13736263}}^1$

素因数の和:13736282

約数の個数: 20

約数和(自身を含む): 13296703552

約数和(自身を除く): 5508242431

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 13736263, 41208789, 96153841, 123626367, 288461523, 370879101, 865384569, 1112637303, 2596153707, 7788461121]

約数ペア:

[(1, 7788461121), (3, 2596153707), (7, 1112637303), (9, 865384569), (21, 370879101), (27, 288461523), (63, 123626367), (81, 96153841), (189, 41208789), (567, 13736263)]