181219983

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 300478464

約数和(自身を除く): 119258481

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 127, 147, 357, 381, 571, 833, 889, 1713, 2159, 2499, 2667, 3997, 6223, 6477, 9707, 11991, 15113, 18669, 27979, 29121, 45339, 67949, 72517, 83937, 105791, 203847, 217551, 317373, 475643, 507619, 1232789, 1426929, 1522857, 3553333, 3698367, 8629523, 10659999, 25888569, 60406661, 181219983]

約数ペア:

[(1, 181219983), (3, 60406661), (7, 25888569), (17, 10659999), (21, 8629523), (49, 3698367), (51, 3553333), (119, 1522857), (127, 1426929), (147, 1232789), (357, 507619), (381, 475643), (571, 317373), (833, 217551), (889, 203847), (1713, 105791), (2159, 83937), (2499, 72517), (2667, 67949), (3997, 45339), (6223, 29121), (6477, 27979), (9707, 18669), (11991, 15113)]