20231775

素因数分解:

$3^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 60

約数和(自身を含む): 38230192

約数和(自身を除く): 17998417

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 97, 103, 135, 225, 291, 309, 405, 485, 515, 675, 873, 927, 1455, 1545, 2025, 2425, 2575, 2619, 2781, 4365, 4635, 7275, 7725, 7857, 8343, 9991, 13095, 13905, 21825, 23175, 29973, 39285, 41715, 49955, 65475, 69525, 89919, 149865, 196425, 208575, 249775, 269757, 449595, 749325, 809271, 1348785, 2247975, 4046355, 6743925, 20231775]

約数ペア:

[(1, 20231775), (3, 6743925), (5, 4046355), (9, 2247975), (15, 1348785), (25, 809271), (27, 749325), (45, 449595), (75, 269757), (81, 249775), (97, 208575), (103, 196425), (135, 149865), (225, 89919), (291, 69525), (309, 65475), (405, 49955), (485, 41715), (515, 39285), (675, 29973), (873, 23175), (927, 21825), (1455, 13905), (1545, 13095), (2025, 9991), (2425, 8343), (2575, 7857), (2619, 7725), (2781, 7275), (4365, 4635)]