2978366979

素因数分解:

$3^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{207653}}^1$

素因数の和:208346

約数の個数: 16

約数和(自身を含む): 4545130752

約数和(自身を除く): 1566763773

約数列:

[1, 3, 7, 21, 683, 2049, 4781, 14343, 207653, 622959, 1453571, 4360713, 141826999, 425480997, 992788993, 2978366979]

約数ペア:

[(1, 2978366979), (3, 992788993), (7, 425480997), (21, 141826999), (683, 4360713), (2049, 1453571), (4781, 622959), (14343, 207653)]