668688489

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1933}}^1$

素因数の和:1999

約数の個数: 72

約数和(自身を含む): 1234975040

約数和(自身を除く): 566286551

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 289, 323, 357, 399, 867, 969, 1071, 1197, 1933, 2023, 2261, 2601, 2907, 5491, 5799, 6069, 6783, 13531, 16473, 17397, 18207, 20349, 32861, 36727, 38437, 40593, 49419, 98583, 110181, 115311, 121779, 230027, 257089, 295749, 330543, 345933, 558637, 624359, 690081, 771267, 1675911, 1873077, 2070243, 2313801, 3910459, 4370513, 5027733, 5619231, 10614103, 11731377, 13111539, 31842309, 35194131, 39334617, 74298721, 95526927, 222896163, 668688489]

約数ペア:

[(1, 668688489), (3, 222896163), (7, 95526927), (9, 74298721), (17, 39334617), (19, 35194131), (21, 31842309), (51, 13111539), (57, 11731377), (63, 10614103), (119, 5619231), (133, 5027733), (153, 4370513), (171, 3910459), (289, 2313801), (323, 2070243), (357, 1873077), (399, 1675911), (867, 771267), (969, 690081), (1071, 624359), (1197, 558637), (1933, 345933), (2023, 330543), (2261, 295749), (2601, 257089), (2907, 230027), (5491, 121779), (5799, 115311), (6069, 110181), (6783, 98583), (13531, 49419), (16473, 40593), (17397, 38437), (18207, 36727), (20349, 32861)]