320413293

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 482190720

約数和(自身を除く): 161777427

約数列:

[1, 3, 9, 27, 131, 157, 393, 471, 577, 1179, 1413, 1731, 3537, 4239, 5193, 15579, 20567, 61701, 75587, 90589, 185103, 226761, 271767, 555309, 680283, 815301, 2040849, 2445903, 11867159, 35601477, 106804431, 320413293]

約数ペア:

[(1, 320413293), (3, 106804431), (9, 35601477), (27, 11867159), (131, 2445903), (157, 2040849), (393, 815301), (471, 680283), (577, 555309), (1179, 271767), (1413, 226761), (1731, 185103), (3537, 90589), (4239, 75587), (5193, 61701), (15579, 20567)]