66820635

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 138718944

約数和(自身を除く): 71898309

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 401, 483, 529, 805, 1035, 1203, 1449, 1587, 2005, 2415, 2645, 2807, 3609, 3703, 4761, 6015, 7245, 7935, 8421, 9223, 11109, 14035, 18045, 18515, 23805, 25263, 27669, 33327, 42105, 46115, 55545, 64561, 83007, 126315, 138345, 166635, 193683, 212129, 322805, 415035, 581049, 636387, 968415, 1060645, 1484903, 1909161, 2905245, 3181935, 4454709, 7424515, 9545805, 13364127, 22273545, 66820635]

約数ペア:

[(1, 66820635), (3, 22273545), (5, 13364127), (7, 9545805), (9, 7424515), (15, 4454709), (21, 3181935), (23, 2905245), (35, 1909161), (45, 1484903), (63, 1060645), (69, 968415), (105, 636387), (115, 581049), (161, 415035), (207, 322805), (315, 212129), (345, 193683), (401, 166635), (483, 138345), (529, 126315), (805, 83007), (1035, 64561), (1203, 55545), (1449, 46115), (1587, 42105), (2005, 33327), (2415, 27669), (2645, 25263), (2807, 23805), (3609, 18515), (3703, 18045), (4761, 14035), (6015, 11109), (7245, 9223), (7935, 8421)]