505557273

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{2143}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 760725504

約数和(自身を除く): 255168231

約数列:

[1, 3, 13, 23, 39, 69, 263, 299, 789, 897, 2143, 3419, 6049, 6429, 10257, 18147, 27859, 49289, 78637, 83577, 147867, 235911, 563609, 640757, 1690827, 1922271, 7326917, 12963007, 21980751, 38889021, 168519091, 505557273]

約数ペア:

[(1, 505557273), (3, 168519091), (13, 38889021), (23, 21980751), (39, 12963007), (69, 7326917), (263, 1922271), (299, 1690827), (789, 640757), (897, 563609), (2143, 235911), (3419, 147867), (6049, 83577), (6429, 78637), (10257, 49289), (18147, 27859)]