64400805

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2963}}^1$

素因数の和:3007

約数の個数: 64

約数和(自身を含む): 136581120

約数和(自身を除く): 72180315

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 105, 115, 135, 161, 189, 207, 315, 345, 483, 621, 805, 945, 1035, 1449, 2415, 2963, 3105, 4347, 7245, 8889, 14815, 20741, 21735, 26667, 44445, 62223, 68149, 80001, 103705, 133335, 186669, 204447, 311115, 340745, 400005, 477043, 560007, 613341, 933345, 1022235, 1431129, 1840023, 2385215, 2800035, 3066705, 4293387, 7155645, 9200115, 12880161, 21466935, 64400805]

約数ペア:

[(1, 64400805), (3, 21466935), (5, 12880161), (7, 9200115), (9, 7155645), (15, 4293387), (21, 3066705), (23, 2800035), (27, 2385215), (35, 1840023), (45, 1431129), (63, 1022235), (69, 933345), (105, 613341), (115, 560007), (135, 477043), (161, 400005), (189, 340745), (207, 311115), (315, 204447), (345, 186669), (483, 133335), (621, 103705), (805, 80001), (945, 68149), (1035, 62223), (1449, 44445), (2415, 26667), (2963, 21735), (3105, 20741), (4347, 14815), (7245, 8889)]