216131319

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 344796192

約数和(自身を除く): 128664873

約数列:

[1, 3, 9, 17, 37, 51, 73, 111, 153, 219, 333, 523, 629, 657, 1241, 1569, 1887, 2701, 3723, 4707, 5661, 8103, 8891, 11169, 19351, 24309, 26673, 38179, 45917, 58053, 80019, 114537, 137751, 174159, 328967, 343611, 413253, 649043, 986901, 1412623, 1947129, 2960703, 4237869, 5841387, 12713607, 24014591, 72043773, 216131319]

約数ペア:

[(1, 216131319), (3, 72043773), (9, 24014591), (17, 12713607), (37, 5841387), (51, 4237869), (73, 2960703), (111, 1947129), (153, 1412623), (219, 986901), (333, 649043), (523, 413253), (629, 343611), (657, 328967), (1241, 174159), (1569, 137751), (1887, 114537), (2701, 80019), (3723, 58053), (4707, 45917), (5661, 38179), (8103, 26673), (8891, 24309), (11169, 19351)]