202421457

素因数分解:

$3^3\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1103}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 343388160

約数和(自身を除く): 140966703

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 971, 1103, 2913, 3309, 6797, 7721, 8739, 9927, 20391, 23163, 26217, 29781, 61173, 69489, 183519, 208467, 1071013, 3213039, 7497091, 9639117, 22491273, 28917351, 67473819, 202421457]

約数ペア:

[(1, 202421457), (3, 67473819), (7, 28917351), (9, 22491273), (21, 9639117), (27, 7497091), (63, 3213039), (189, 1071013), (971, 208467), (1103, 183519), (2913, 69489), (3309, 61173), (6797, 29781), (7721, 26217), (8739, 23163), (9927, 20391)]