127901319

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 235339776

約数和(自身を除く): 107438457

約数列:

[1, 3, 7, 13, 17, 21, 31, 39, 49, 51, 91, 93, 119, 127, 147, 217, 221, 273, 357, 381, 403, 527, 637, 651, 663, 833, 889, 1209, 1519, 1547, 1581, 1651, 1911, 2159, 2499, 2667, 2821, 3689, 3937, 4557, 4641, 4953, 6223, 6477, 6851, 8463, 10829, 11067, 11557, 11811, 15113, 18669, 19747, 20553, 25823, 27559, 28067, 32487, 34671, 45339, 47957, 51181, 59241, 66929, 77469, 80899, 82677, 84201, 105791, 143871, 153543, 192913, 196469, 200787, 242697, 317373, 335699, 358267, 468503, 578739, 589407, 870077, 1007097, 1074801, 1375283, 1405509, 2507869, 2610231, 3279521, 4125849, 6090539, 7523607, 9838563, 18271617, 42633773, 127901319]

約数ペア:

[(1, 127901319), (3, 42633773), (7, 18271617), (13, 9838563), (17, 7523607), (21, 6090539), (31, 4125849), (39, 3279521), (49, 2610231), (51, 2507869), (91, 1405509), (93, 1375283), (119, 1074801), (127, 1007097), (147, 870077), (217, 589407), (221, 578739), (273, 468503), (357, 358267), (381, 335699), (403, 317373), (527, 242697), (637, 200787), (651, 196469), (663, 192913), (833, 153543), (889, 143871), (1209, 105791), (1519, 84201), (1547, 82677), (1581, 80899), (1651, 77469), (1911, 66929), (2159, 59241), (2499, 51181), (2667, 47957), (2821, 45339), (3689, 34671), (3937, 32487), (4557, 28067), (4641, 27559), (4953, 25823), (6223, 20553), (6477, 19747), (6851, 18669), (8463, 15113), (10829, 11811), (11067, 11557)]