81301703

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 102643200

約数和(自身を除く): 21341497

約数列:

[1, 7, 19, 29, 107, 133, 197, 203, 551, 749, 1379, 2033, 3103, 3743, 3857, 5713, 14231, 21079, 21721, 26201, 39991, 58957, 108547, 147553, 400501, 412699, 611291, 759829, 2803507, 4279037, 11614529, 81301703]

約数ペア:

[(1, 81301703), (7, 11614529), (19, 4279037), (29, 2803507), (107, 759829), (133, 611291), (197, 412699), (203, 400501), (551, 147553), (749, 108547), (1379, 58957), (2033, 39991), (3103, 26201), (3743, 21721), (3857, 21079), (5713, 14231)]