172712451

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2803}}^1$

素因数の和:2895

約数の個数: 32

約数和(自身を含む): 258416640

約数和(自身を除く): 85704189

約数列:

[1, 3, 19, 23, 47, 57, 69, 141, 437, 893, 1081, 1311, 2679, 2803, 3243, 8409, 20539, 53257, 61617, 64469, 131741, 159771, 193407, 395223, 1224911, 2503079, 3030043, 3674733, 7509237, 9090129, 57570817, 172712451]

約数ペア:

[(1, 172712451), (3, 57570817), (19, 9090129), (23, 7509237), (47, 3674733), (57, 3030043), (69, 2503079), (141, 1224911), (437, 395223), (893, 193407), (1081, 159771), (1311, 131741), (2679, 64469), (2803, 61617), (3243, 53257), (8409, 20539)]