206757495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{661}}^1$

素因数の和:1013

約数の個数: 64

約数和(自身を含む): 421985280

約数和(自身を除く): 215227785

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 331, 661, 945, 993, 1655, 1983, 2317, 2979, 3305, 4627, 4965, 5949, 6951, 8937, 9915, 11585, 13881, 14895, 17847, 20853, 23135, 29745, 34755, 41643, 44685, 62559, 69405, 89235, 104265, 124929, 208215, 218791, 312795, 624645, 656373, 1093955, 1531537, 1969119, 3281865, 4594611, 5907357, 7657685, 9845595, 13783833, 22973055, 29536785, 41351499, 68919165, 206757495]

約数ペア:

[(1, 206757495), (3, 68919165), (5, 41351499), (7, 29536785), (9, 22973055), (15, 13783833), (21, 9845595), (27, 7657685), (35, 5907357), (45, 4594611), (63, 3281865), (105, 1969119), (135, 1531537), (189, 1093955), (315, 656373), (331, 624645), (661, 312795), (945, 218791), (993, 208215), (1655, 124929), (1983, 104265), (2317, 89235), (2979, 69405), (3305, 62559), (4627, 44685), (4965, 41643), (5949, 34755), (6951, 29745), (8937, 23135), (9915, 20853), (11585, 17847), (13881, 14895)]