81155745

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8629}}^1$

素因数の和:8670

約数の個数: 48

約数和(自身を含む): 161553600

約数和(自身を除く): 80397855

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 3135, 8629, 9405, 25887, 43145, 77661, 94919, 129435, 163951, 284757, 388305, 474595, 491853, 819755, 854271, 1423785, 1475559, 1803461, 2459265, 4271355, 5410383, 7377795, 9017305, 16231149, 27051915, 81155745]

約数ペア:

[(1, 81155745), (3, 27051915), (5, 16231149), (9, 9017305), (11, 7377795), (15, 5410383), (19, 4271355), (33, 2459265), (45, 1803461), (55, 1475559), (57, 1423785), (95, 854271), (99, 819755), (165, 491853), (171, 474595), (209, 388305), (285, 284757), (495, 163951), (627, 129435), (855, 94919), (1045, 77661), (1881, 43145), (3135, 25887), (8629, 9405)]