121055781

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 209129472

約数和(自身を除く): 88073691

約数列:

[1, 3, 7, 11, 21, 33, 61, 71, 77, 121, 183, 213, 231, 363, 427, 497, 671, 781, 847, 1281, 1331, 1491, 2013, 2343, 2541, 3993, 4331, 4697, 5467, 7381, 8591, 9317, 12993, 14091, 16401, 22143, 25773, 27951, 30317, 47641, 51667, 60137, 81191, 90951, 94501, 142923, 155001, 180411, 243573, 283503, 333487, 524051, 568337, 661507, 1000461, 1572153, 1705011, 1984521, 3668357, 5764561, 11005071, 17293683, 40351927, 121055781]

約数ペア:

[(1, 121055781), (3, 40351927), (7, 17293683), (11, 11005071), (21, 5764561), (33, 3668357), (61, 1984521), (71, 1705011), (77, 1572153), (121, 1000461), (183, 661507), (213, 568337), (231, 524051), (363, 333487), (427, 283503), (497, 243573), (671, 180411), (781, 155001), (847, 142923), (1281, 94501), (1331, 90951), (1491, 81191), (2013, 60137), (2343, 51667), (2541, 47641), (3993, 30317), (4331, 27951), (4697, 25773), (5467, 22143), (7381, 16401), (8591, 14091), (9317, 12993)]