81966375

素因数分解:

$3^2\times 5^3\times {\mathrm{72859}}^1$

素因数の和:72880

約数の個数: 24

約数和(自身を含む): 147760080

約数和(自身を除く): 65793705

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 72859, 218577, 364295, 655731, 1092885, 1821475, 3278655, 5464425, 9107375, 16393275, 27322125, 81966375]

約数ペア:

[(1, 81966375), (3, 27322125), (5, 16393275), (9, 9107375), (15, 5464425), (25, 3278655), (45, 1821475), (75, 1092885), (125, 655731), (225, 364295), (375, 218577), (1125, 72859)]