64772955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 121657536

約数和(自身を除く): 56884581

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 263, 421, 585, 789, 1263, 1315, 2105, 2367, 3419, 3789, 3945, 5473, 6315, 10257, 11835, 16419, 17095, 18945, 27365, 30771, 49257, 51285, 82095, 110723, 153855, 246285, 332169, 553615, 996507, 1439399, 1660845, 4318197, 4982535, 7196995, 12954591, 21590985, 64772955]

約数ペア:

[(1, 64772955), (3, 21590985), (5, 12954591), (9, 7196995), (13, 4982535), (15, 4318197), (39, 1660845), (45, 1439399), (65, 996507), (117, 553615), (195, 332169), (263, 246285), (421, 153855), (585, 110723), (789, 82095), (1263, 51285), (1315, 49257), (2105, 30771), (2367, 27365), (3419, 18945), (3789, 17095), (3945, 16419), (5473, 11835), (6315, 10257)]