72440277

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37907}}^1$

素因数の和:37937

約数の個数: 24

約数和(自身を含む): 121002336

約数和(自身を除く): 48562059

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 37907, 113721, 265349, 492791, 796047, 1478373, 1857443, 3449537, 5572329, 10348611, 24146759, 72440277]

約数ペア:

[(1, 72440277), (3, 24146759), (7, 10348611), (13, 5572329), (21, 3449537), (39, 1857443), (49, 1478373), (91, 796047), (147, 492791), (273, 265349), (637, 113721), (1911, 37907)]