207816219

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 348364800

約数和(自身を除く): 140548581

約数列:

[1, 3, 9, 13, 27, 31, 39, 71, 93, 117, 213, 269, 279, 351, 403, 639, 807, 837, 923, 1209, 1917, 2201, 2421, 2769, 3497, 3627, 6603, 7263, 8307, 8339, 10491, 10881, 19099, 19809, 24921, 25017, 28613, 31473, 57297, 59427, 75051, 85839, 94419, 108407, 171891, 225153, 248287, 257517, 325221, 515673, 592069, 744861, 772551, 975663, 1776207, 2234583, 2926989, 5328621, 6703749, 7696897, 15985863, 23090691, 69272073, 207816219]

約数ペア:

[(1, 207816219), (3, 69272073), (9, 23090691), (13, 15985863), (27, 7696897), (31, 6703749), (39, 5328621), (71, 2926989), (93, 2234583), (117, 1776207), (213, 975663), (269, 772551), (279, 744861), (351, 592069), (403, 515673), (639, 325221), (807, 257517), (837, 248287), (923, 225153), (1209, 171891), (1917, 108407), (2201, 94419), (2421, 85839), (2769, 75051), (3497, 59427), (3627, 57297), (6603, 31473), (7263, 28613), (8307, 25017), (8339, 24921), (10491, 19809), (10881, 19099)]