261601899

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1093}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 420148512

約数和(自身を除く): 158546613

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 361, 663, 741, 969, 1083, 1093, 3279, 4199, 4693, 6137, 12597, 14079, 14209, 18411, 18581, 20767, 42627, 55743, 62301, 79781, 239343, 241553, 269971, 353039, 394573, 724659, 809913, 1059117, 1183719, 4589507, 5129449, 6707741, 13768521, 15388347, 20123223, 87200633, 261601899]

約数ペア:

[(1, 261601899), (3, 87200633), (13, 20123223), (17, 15388347), (19, 13768521), (39, 6707741), (51, 5129449), (57, 4589507), (221, 1183719), (247, 1059117), (323, 809913), (361, 724659), (663, 394573), (741, 353039), (969, 269971), (1083, 241553), (1093, 239343), (3279, 79781), (4199, 62301), (4693, 55743), (6137, 42627), (12597, 20767), (14079, 18581), (14209, 18411)]