215492775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1559}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 379142400

約数和(自身を除く): 163649625

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 97, 285, 291, 475, 485, 1425, 1455, 1559, 1843, 2425, 4677, 5529, 7275, 7795, 9215, 23385, 27645, 29621, 38975, 46075, 88863, 116925, 138225, 148105, 151223, 444315, 453669, 740525, 756115, 2221575, 2268345, 2873237, 3780575, 8619711, 11341725, 14366185, 43098555, 71830925, 215492775]

約数ペア:

[(1, 215492775), (3, 71830925), (5, 43098555), (15, 14366185), (19, 11341725), (25, 8619711), (57, 3780575), (75, 2873237), (95, 2268345), (97, 2221575), (285, 756115), (291, 740525), (475, 453669), (485, 444315), (1425, 151223), (1455, 148105), (1559, 138225), (1843, 116925), (2425, 88863), (4677, 46075), (5529, 38975), (7275, 29621), (7795, 27645), (9215, 23385)]