13957251

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 25214976

約数和(自身を除く): 11257725

約数列:

[1, 3, 7, 11, 21, 23, 33, 37, 69, 71, 77, 111, 161, 213, 231, 253, 259, 407, 483, 497, 759, 777, 781, 851, 1221, 1491, 1633, 1771, 2343, 2553, 2627, 2849, 4899, 5313, 5467, 5957, 7881, 8547, 9361, 11431, 16401, 17871, 17963, 18389, 28083, 28897, 34293, 53889, 55167, 60421, 65527, 86691, 125741, 181263, 196581, 202279, 377223, 422947, 606837, 664631, 1268841, 1993893, 4652417, 13957251]

約数ペア:

[(1, 13957251), (3, 4652417), (7, 1993893), (11, 1268841), (21, 664631), (23, 606837), (33, 422947), (37, 377223), (69, 202279), (71, 196581), (77, 181263), (111, 125741), (161, 86691), (213, 65527), (231, 60421), (253, 55167), (259, 53889), (407, 34293), (483, 28897), (497, 28083), (759, 18389), (777, 17963), (781, 17871), (851, 16401), (1221, 11431), (1491, 9361), (1633, 8547), (1771, 7881), (2343, 5957), (2553, 5467), (2627, 5313), (2849, 4899)]