61388943

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 109486080

約数和(自身を除く): 48097137

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 71, 77, 133, 197, 209, 213, 231, 399, 497, 591, 627, 781, 1349, 1379, 1463, 1491, 2167, 2343, 3743, 4047, 4137, 4389, 5467, 6501, 9443, 11229, 13987, 14839, 15169, 16401, 26201, 28329, 41173, 41961, 44517, 45507, 78603, 97909, 103873, 123519, 153857, 265753, 288211, 293727, 311619, 461571, 797259, 864633, 1076999, 1860271, 2923283, 3230997, 5580813, 8769849, 20462981, 61388943]

約数ペア:

[(1, 61388943), (3, 20462981), (7, 8769849), (11, 5580813), (19, 3230997), (21, 2923283), (33, 1860271), (57, 1076999), (71, 864633), (77, 797259), (133, 461571), (197, 311619), (209, 293727), (213, 288211), (231, 265753), (399, 153857), (497, 123519), (591, 103873), (627, 97909), (781, 78603), (1349, 45507), (1379, 44517), (1463, 41961), (1491, 41173), (2167, 28329), (2343, 26201), (3743, 16401), (4047, 15169), (4137, 14839), (4389, 13987), (5467, 11229), (6501, 9443)]