28445109

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6481}}^1$

素因数の和:6521

約数の個数: 32

約数和(自身を含む): 49781760

約数和(自身を除く): 21336651

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 6481, 19443, 45367, 71291, 123139, 136101, 213873, 369417, 499037, 861973, 1354529, 1497111, 2585919, 4063587, 9481703, 28445109]

約数ペア:

[(1, 28445109), (3, 9481703), (7, 4063587), (11, 2585919), (19, 1497111), (21, 1354529), (33, 861973), (57, 499037), (77, 369417), (133, 213873), (209, 136101), (231, 123139), (399, 71291), (627, 45367), (1463, 19443), (4389, 6481)]