7987287

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 13492224

約数和(自身を除く): 5504937

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 487, 497, 781, 1461, 1491, 2343, 3409, 5357, 5467, 10227, 16071, 16401, 34577, 37499, 103731, 112497, 242039, 380347, 726117, 1141041, 2662429, 7987287]

約数ペア:

[(1, 7987287), (3, 2662429), (7, 1141041), (11, 726117), (21, 380347), (33, 242039), (71, 112497), (77, 103731), (213, 37499), (231, 34577), (487, 16401), (497, 16071), (781, 10227), (1461, 5467), (1491, 5357), (2343, 3409)]