81993375

素因数分解:

$3^2\times 5^3\times {\mathrm{72883}}^1$

素因数の和:72904

約数の個数: 24

約数和(自身を含む): 147808752

約数和(自身を除く): 65815377

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 72883, 218649, 364415, 655947, 1093245, 1822075, 3279735, 5466225, 9110375, 16398675, 27331125, 81993375]

約数ペア:

[(1, 81993375), (3, 27331125), (5, 16398675), (9, 9110375), (15, 5466225), (25, 3279735), (45, 1822075), (75, 1093245), (125, 655947), (225, 364415), (375, 218649), (1125, 72883)]