13515975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 27236352

約数和(自身を除く): 13720377

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 43, 45, 55, 75, 99, 127, 129, 165, 215, 225, 275, 381, 387, 473, 495, 635, 645, 825, 1075, 1143, 1397, 1419, 1905, 1935, 2365, 2475, 3175, 3225, 4191, 4257, 5461, 5715, 6985, 7095, 9525, 9675, 11825, 12573, 16383, 20955, 21285, 27305, 28575, 34925, 35475, 49149, 60071, 62865, 81915, 104775, 106425, 136525, 180213, 245745, 300355, 314325, 409575, 540639, 901065, 1228725, 1501775, 2703195, 4505325, 13515975]

約数ペア:

[(1, 13515975), (3, 4505325), (5, 2703195), (9, 1501775), (11, 1228725), (15, 901065), (25, 540639), (33, 409575), (43, 314325), (45, 300355), (55, 245745), (75, 180213), (99, 136525), (127, 106425), (129, 104775), (165, 81915), (215, 62865), (225, 60071), (275, 49149), (381, 35475), (387, 34925), (473, 28575), (495, 27305), (635, 21285), (645, 20955), (825, 16383), (1075, 12573), (1143, 11825), (1397, 9675), (1419, 9525), (1905, 7095), (1935, 6985), (2365, 5715), (2475, 5461), (3175, 4257), (3225, 4191)]