305730369

素因数分解:

$3^4\times 7^1\times {\mathrm{539207}}^1$

素因数の和:539226

約数の個数: 20

約数和(自身を含む): 521953344

約数和(自身を除く): 216222975

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 539207, 1617621, 3774449, 4852863, 11323347, 14558589, 33970041, 43675767, 101910123, 305730369]

約数ペア:

[(1, 305730369), (3, 101910123), (7, 43675767), (9, 33970041), (21, 14558589), (27, 11323347), (63, 4852863), (81, 3774449), (189, 1617621), (567, 539207)]