261010485

素因数分解:

$3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7523}}^1$

素因数の和:7794

約数の個数: 32

約数和(自身を含む): 465886080

約数和(自身を除く): 204875595

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 257, 771, 1285, 2313, 3855, 6939, 7523, 11565, 22569, 34695, 37615, 67707, 112845, 203121, 338535, 1015605, 1933411, 5800233, 9667055, 17400699, 29001165, 52202097, 87003495, 261010485]

約数ペア:

[(1, 261010485), (3, 87003495), (5, 52202097), (9, 29001165), (15, 17400699), (27, 9667055), (45, 5800233), (135, 1933411), (257, 1015605), (771, 338535), (1285, 203121), (2313, 112845), (3855, 67707), (6939, 37615), (7523, 34695), (11565, 22569)]