206781489

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{22907}}^1$

素因数の和:22989

約数の個数: 24

約数和(自身を含む): 321628320

約数和(自身を除く): 114846831

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 3009, 9027, 22907, 68721, 206163, 389419, 1168257, 1351513, 3504771, 4054539, 12163617, 22975721, 68927163, 206781489]

約数ペア:

[(1, 206781489), (3, 68927163), (9, 22975721), (17, 12163617), (51, 4054539), (59, 3504771), (153, 1351513), (177, 1168257), (531, 389419), (1003, 206163), (3009, 68721), (9027, 22907)]