2979641

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:118

約数の個数: 20

約数和(自身を含む): 3730932

約数和(自身を除く): 751291

約数列:

[1, 7, 17, 49, 73, 119, 343, 511, 833, 1241, 2401, 3577, 5831, 8687, 25039, 40817, 60809, 175273, 425663, 2979641]

約数ペア:

[(1, 2979641), (7, 425663), (17, 175273), (49, 60809), (73, 40817), (119, 25039), (343, 8687), (511, 5831), (833, 3577), (1241, 2401)]