55781907

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1\times {\mathrm{521}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 75543840

約数和(自身を除く): 19761933

約数列:

[1, 3, 89, 267, 401, 521, 1203, 1563, 35689, 46369, 107067, 139107, 208921, 626763, 18593969, 55781907]

約数ペア:

[(1, 55781907), (3, 18593969), (89, 626763), (267, 208921), (401, 139107), (521, 107067), (1203, 46369), (1563, 35689)]