81828495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 167777280

約数和(自身を除く): 85948785

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 131, 135, 189, 315, 393, 655, 661, 917, 945, 1179, 1965, 1983, 2751, 3305, 3537, 4585, 4627, 5895, 5949, 8253, 9915, 13755, 13881, 17685, 17847, 23135, 24759, 29745, 41265, 41643, 69405, 86591, 89235, 123795, 124929, 208215, 259773, 432955, 606137, 624645, 779319, 1298865, 1818411, 2337957, 3030685, 3896595, 5455233, 9092055, 11689785, 16365699, 27276165, 81828495]

約数ペア:

[(1, 81828495), (3, 27276165), (5, 16365699), (7, 11689785), (9, 9092055), (15, 5455233), (21, 3896595), (27, 3030685), (35, 2337957), (45, 1818411), (63, 1298865), (105, 779319), (131, 624645), (135, 606137), (189, 432955), (315, 259773), (393, 208215), (655, 124929), (661, 123795), (917, 89235), (945, 86591), (1179, 69405), (1965, 41643), (1983, 41265), (2751, 29745), (3305, 24759), (3537, 23135), (4585, 17847), (4627, 17685), (5895, 13881), (5949, 13755), (8253, 9915)]