89780985

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2187

約数の個数: 72

約数和(自身を含む): 190644480

約数和(自身を除く): 100863495

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 399, 441, 665, 735, 855, 931, 1197, 1995, 2143, 2205, 2793, 4655, 5985, 6429, 8379, 10715, 13965, 15001, 19287, 32145, 40717, 41895, 45003, 75005, 96435, 105007, 122151, 135009, 203585, 225015, 285019, 315021, 366453, 525035, 610755, 675045, 855057, 945063, 1425095, 1575105, 1832265, 1995133, 2565171, 4275285, 4725315, 5985399, 9975665, 12825855, 17956197, 29926995, 89780985]

約数ペア:

[(1, 89780985), (3, 29926995), (5, 17956197), (7, 12825855), (9, 9975665), (15, 5985399), (19, 4725315), (21, 4275285), (35, 2565171), (45, 1995133), (49, 1832265), (57, 1575105), (63, 1425095), (95, 945063), (105, 855057), (133, 675045), (147, 610755), (171, 525035), (245, 366453), (285, 315021), (315, 285019), (399, 225015), (441, 203585), (665, 135009), (735, 122151), (855, 105007), (931, 96435), (1197, 75005), (1995, 45003), (2143, 41895), (2205, 40717), (2793, 32145), (4655, 19287), (5985, 15001), (6429, 13965), (8379, 10715)]