81463529

素因数分解:

$7^5\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 98353728

約数和(自身を除く): 16890199

約数列:

[1, 7, 37, 49, 131, 259, 343, 917, 1813, 2401, 4847, 6419, 12691, 16807, 33929, 44933, 88837, 237503, 314531, 621859, 1662521, 2201717, 11637647, 81463529]

約数ペア:

[(1, 81463529), (7, 11637647), (37, 2201717), (49, 1662521), (131, 621859), (259, 314531), (343, 237503), (917, 88837), (1813, 44933), (2401, 33929), (4847, 16807), (6419, 12691)]