16515807

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 29859840

約数和(自身を除く): 13344033

約数列:

[1, 3, 7, 11, 19, 21, 33, 53, 57, 71, 77, 133, 159, 209, 213, 231, 371, 399, 497, 583, 627, 781, 1007, 1113, 1349, 1463, 1491, 1749, 2343, 3021, 3763, 4047, 4081, 4389, 5467, 7049, 9443, 11077, 11289, 12243, 14839, 16401, 21147, 26341, 28329, 33231, 41393, 44517, 71497, 77539, 79023, 103873, 124179, 214491, 232617, 289751, 311619, 500479, 786467, 869253, 1501437, 2359401, 5505269, 16515807]

約数ペア:

[(1, 16515807), (3, 5505269), (7, 2359401), (11, 1501437), (19, 869253), (21, 786467), (33, 500479), (53, 311619), (57, 289751), (71, 232617), (77, 214491), (133, 124179), (159, 103873), (209, 79023), (213, 77539), (231, 71497), (371, 44517), (399, 41393), (497, 33231), (583, 28329), (627, 26341), (781, 21147), (1007, 16401), (1113, 14839), (1349, 12243), (1463, 11289), (1491, 11077), (1749, 9443), (2343, 7049), (3021, 5467), (3763, 4389), (4047, 4081)]