18007275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 36997632

約数和(自身を除く): 18990357

約数列:

[1, 3, 5, 11, 13, 15, 23, 25, 33, 39, 55, 65, 69, 73, 75, 115, 143, 165, 195, 219, 253, 275, 299, 325, 345, 365, 429, 575, 715, 759, 803, 825, 897, 949, 975, 1095, 1265, 1495, 1679, 1725, 1825, 2145, 2409, 2847, 3289, 3575, 3795, 4015, 4485, 4745, 5037, 5475, 6325, 7475, 8395, 9867, 10439, 10725, 12045, 14235, 16445, 18469, 18975, 20075, 21827, 22425, 23725, 25185, 31317, 41975, 49335, 52195, 55407, 60225, 65481, 71175, 82225, 92345, 109135, 125925, 156585, 240097, 246675, 260975, 277035, 327405, 461725, 545675, 720291, 782925, 1200485, 1385175, 1637025, 3601455, 6002425, 18007275]

約数ペア:

[(1, 18007275), (3, 6002425), (5, 3601455), (11, 1637025), (13, 1385175), (15, 1200485), (23, 782925), (25, 720291), (33, 545675), (39, 461725), (55, 327405), (65, 277035), (69, 260975), (73, 246675), (75, 240097), (115, 156585), (143, 125925), (165, 109135), (195, 92345), (219, 82225), (253, 71175), (275, 65481), (299, 60225), (325, 55407), (345, 52195), (365, 49335), (429, 41975), (575, 31317), (715, 25185), (759, 23725), (803, 22425), (825, 21827), (897, 20075), (949, 18975), (975, 18469), (1095, 16445), (1265, 14235), (1495, 12045), (1679, 10725), (1725, 10439), (1825, 9867), (2145, 8395), (2409, 7475), (2847, 6325), (3289, 5475), (3575, 5037), (3795, 4745), (4015, 4485)]