18170775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 37914240

約数和(自身を除く): 19743465

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 83, 105, 139, 175, 225, 249, 315, 415, 417, 525, 581, 695, 747, 973, 1245, 1251, 1575, 1743, 2075, 2085, 2905, 2919, 3475, 3735, 4865, 5229, 6225, 6255, 8715, 8757, 10425, 11537, 14525, 14595, 18675, 24325, 26145, 31275, 34611, 43575, 43785, 57685, 72975, 80759, 103833, 130725, 173055, 218925, 242277, 288425, 403795, 519165, 726831, 865275, 1211385, 2018975, 2595825, 3634155, 6056925, 18170775]

約数ペア:

[(1, 18170775), (3, 6056925), (5, 3634155), (7, 2595825), (9, 2018975), (15, 1211385), (21, 865275), (25, 726831), (35, 519165), (45, 403795), (63, 288425), (75, 242277), (83, 218925), (105, 173055), (139, 130725), (175, 103833), (225, 80759), (249, 72975), (315, 57685), (415, 43785), (417, 43575), (525, 34611), (581, 31275), (695, 26145), (747, 24325), (973, 18675), (1245, 14595), (1251, 14525), (1575, 11537), (1743, 10425), (2075, 8757), (2085, 8715), (2905, 6255), (2919, 6225), (3475, 5229), (3735, 4865)]