201331221

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 364290048

約数和(自身を除く): 162958827

約数列:

[1, 3, 7, 13, 17, 21, 39, 47, 51, 71, 91, 119, 141, 169, 213, 221, 273, 329, 357, 497, 507, 611, 663, 799, 923, 987, 1183, 1207, 1491, 1547, 1833, 2397, 2769, 2873, 3337, 3549, 3621, 4277, 4641, 5593, 6461, 7943, 8449, 8619, 10011, 10387, 11999, 12831, 15691, 16779, 19383, 20111, 23359, 23829, 25347, 31161, 35997, 43381, 47073, 55601, 56729, 60333, 70077, 72709, 83993, 109837, 130143, 135031, 166803, 170187, 203983, 218127, 251979, 303667, 329511, 397103, 405093, 563953, 611949, 737477, 911001, 945217, 1191309, 1427881, 1691859, 2212431, 2835651, 3947671, 4283643, 5162339, 9587201, 11843013, 15487017, 28761603, 67110407, 201331221]

約数ペア:

[(1, 201331221), (3, 67110407), (7, 28761603), (13, 15487017), (17, 11843013), (21, 9587201), (39, 5162339), (47, 4283643), (51, 3947671), (71, 2835651), (91, 2212431), (119, 1691859), (141, 1427881), (169, 1191309), (213, 945217), (221, 911001), (273, 737477), (329, 611949), (357, 563953), (497, 405093), (507, 397103), (611, 329511), (663, 303667), (799, 251979), (923, 218127), (987, 203983), (1183, 170187), (1207, 166803), (1491, 135031), (1547, 130143), (1833, 109837), (2397, 83993), (2769, 72709), (2873, 70077), (3337, 60333), (3549, 56729), (3621, 55601), (4277, 47073), (4641, 43381), (5593, 35997), (6461, 31161), (7943, 25347), (8449, 23829), (8619, 23359), (10011, 20111), (10387, 19383), (11999, 16779), (12831, 15691)]