209712165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1627}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 362119296

約数和(自身を除く): 152407131

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 661, 1627, 1983, 3305, 4881, 8135, 8593, 9915, 21151, 24405, 25779, 42965, 63453, 105755, 128895, 317265, 1075447, 3226341, 5377235, 13980811, 16131705, 41942433, 69904055, 209712165]

約数ペア:

[(1, 209712165), (3, 69904055), (5, 41942433), (13, 16131705), (15, 13980811), (39, 5377235), (65, 3226341), (195, 1075447), (661, 317265), (1627, 128895), (1983, 105755), (3305, 63453), (4881, 42965), (8135, 25779), (8593, 24405), (9915, 21151)]