127801821

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{11681}}^1$

素因数の和:12212

約数の個数: 16

約数和(自身を含む): 195136128

約数和(自身を除く): 67334307

約数列:

[1, 3, 7, 21, 521, 1563, 3647, 10941, 11681, 35043, 81767, 245301, 6085801, 18257403, 42600607, 127801821]

約数ペア:

[(1, 127801821), (3, 42600607), (7, 18257403), (21, 6085801), (521, 245301), (1563, 81767), (3647, 35043), (10941, 11681)]