51285927

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 89579520

約数和(自身を除く): 38293593

約数列:

[1, 3, 7, 11, 21, 33, 53, 59, 71, 77, 159, 177, 213, 231, 371, 413, 497, 583, 649, 781, 1113, 1239, 1491, 1749, 1947, 2343, 3127, 3763, 4081, 4189, 4543, 5467, 9381, 11289, 12243, 12567, 13629, 16401, 21889, 26341, 29323, 34397, 41393, 46079, 65667, 79023, 87969, 103191, 124179, 138237, 222017, 240779, 289751, 322553, 666051, 722337, 869253, 967659, 1554119, 2442187, 4662357, 7326561, 17095309, 51285927]

約数ペア:

[(1, 51285927), (3, 17095309), (7, 7326561), (11, 4662357), (21, 2442187), (33, 1554119), (53, 967659), (59, 869253), (71, 722337), (77, 666051), (159, 322553), (177, 289751), (213, 240779), (231, 222017), (371, 138237), (413, 124179), (497, 103191), (583, 87969), (649, 79023), (781, 65667), (1113, 46079), (1239, 41393), (1491, 34397), (1749, 29323), (1947, 26341), (2343, 21889), (3127, 16401), (3763, 13629), (4081, 12567), (4189, 12243), (4543, 11289), (5467, 9381)]