31250445

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 52531200

約数和(自身を除く): 21280755

約数列:

[1, 3, 5, 15, 23, 69, 115, 239, 345, 379, 717, 1137, 1195, 1895, 3585, 5497, 5685, 8717, 16491, 26151, 27485, 43585, 82455, 90581, 130755, 271743, 452905, 1358715, 2083363, 6250089, 10416815, 31250445]

約数ペア:

[(1, 31250445), (3, 10416815), (5, 6250089), (15, 2083363), (23, 1358715), (69, 452905), (115, 271743), (239, 130755), (345, 90581), (379, 82455), (717, 43585), (1137, 27485), (1195, 26151), (1895, 16491), (3585, 8717), (5497, 5685)]