813888915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1951}}^1$

素因数の和:2132

約数の個数: 64

約数和(自身を含む): 1551605760

約数和(自身を除く): 737716845

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 137, 145, 203, 411, 435, 609, 685, 959, 1015, 1951, 2055, 2877, 3045, 3973, 4795, 5853, 9755, 11919, 13657, 14385, 19865, 27811, 29265, 40971, 56579, 59595, 68285, 83433, 139055, 169737, 204855, 267287, 282895, 396053, 417165, 801861, 848685, 1188159, 1336435, 1871009, 1980265, 4009305, 5613027, 5940795, 7751323, 9355045, 23253969, 28065135, 38756615, 54259261, 116269845, 162777783, 271296305, 813888915]

約数ペア:

[(1, 813888915), (3, 271296305), (5, 162777783), (7, 116269845), (15, 54259261), (21, 38756615), (29, 28065135), (35, 23253969), (87, 9355045), (105, 7751323), (137, 5940795), (145, 5613027), (203, 4009305), (411, 1980265), (435, 1871009), (609, 1336435), (685, 1188159), (959, 848685), (1015, 801861), (1951, 417165), (2055, 396053), (2877, 282895), (3045, 267287), (3973, 204855), (4795, 169737), (5853, 139055), (9755, 83433), (11919, 68285), (13657, 59595), (14385, 56579), (19865, 40971), (27811, 29265)]