31208085

素因数分解:

$3^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 56349216

約数和(自身を除く): 25141131

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 251, 307, 405, 753, 921, 1255, 1535, 2259, 2763, 3765, 4605, 6777, 8289, 11295, 13815, 20331, 24867, 33885, 41445, 77057, 101655, 124335, 231171, 385285, 693513, 1155855, 2080539, 3467565, 6241617, 10402695, 31208085]

約数ペア:

[(1, 31208085), (3, 10402695), (5, 6241617), (9, 3467565), (15, 2080539), (27, 1155855), (45, 693513), (81, 385285), (135, 231171), (251, 124335), (307, 101655), (405, 77057), (753, 41445), (921, 33885), (1255, 24867), (1535, 20331), (2259, 13815), (2763, 11295), (3765, 8289), (4605, 6777)]