81857295

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8231}}^1$

素因数の和:8272

約数の個数: 48

約数和(自身を含む): 161808192

約数和(自身を除く): 79950897

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 8231, 9945, 24693, 41155, 74079, 107003, 123465, 139927, 321009, 370395, 419781, 535015, 699635, 963027, 1259343, 1605045, 1819051, 2098905, 4815135, 5457153, 6296715, 9095255, 16371459, 27285765, 81857295]

約数ペア:

[(1, 81857295), (3, 27285765), (5, 16371459), (9, 9095255), (13, 6296715), (15, 5457153), (17, 4815135), (39, 2098905), (45, 1819051), (51, 1605045), (65, 1259343), (85, 963027), (117, 699635), (153, 535015), (195, 419781), (221, 370395), (255, 321009), (585, 139927), (663, 123465), (765, 107003), (1105, 74079), (1989, 41155), (3315, 24693), (8231, 9945)]